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Finding the Fourth Proportional to 162,583.80, 243,875.70 and 74,010.30

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Solution

The fourth proportional to 162,583.80, 243,875.70 and 74,010.30 is: 111,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,583.80 : 243,875.70 = 74,010.30 : x
  2. Step 2: Convert to fraction form
    162,583.80/243,875.70 = 74,010.30/x
  3. Step 3: Cross multiply
    162,583.80x = 243,875.70 × 74,010.30
  4. Step 4: Simplify right side
    162,583.80x = 18,049,313,719.71
  5. Step 5: Solve for x
    x = 18,049,313,719.71/162,583.80
  6. Step 6: Final answer
    x = 111,015.45

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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.