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Finding the Fourth Proportional to 162,500.40, 243,750.60 and 109,356.30

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Solution

The fourth proportional to 162,500.40, 243,750.60 and 109,356.30 is: 164,034.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,500.40 : 243,750.60 = 109,356.30 : x
  2. Step 2: Convert to fraction form
    162,500.40/243,750.60 = 109,356.30/x
  3. Step 3: Cross multiply
    162,500.40x = 243,750.60 × 109,356.30
  4. Step 4: Simplify right side
    162,500.40x = 26,655,663,738.78
  5. Step 5: Solve for x
    x = 26,655,663,738.78/162,500.40
  6. Step 6: Final answer
    x = 164,034.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.