Home / 162,420.44-224,139.18-90,800.12

Finding the Fourth Proportional to 162,420.44, 224,139.18 and 90,800.12

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Solution

The fourth proportional to 162,420.44, 224,139.18 and 90,800.12 is: 125,303.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,420.44 : 224,139.18 = 90,800.12 : x
  2. Step 2: Convert to fraction form
    162,420.44/224,139.18 = 90,800.12/x
  3. Step 3: Cross multiply
    162,420.44x = 224,139.18 × 90,800.12
  4. Step 4: Simplify right side
    162,420.44x = 20,351,864,440.70
  5. Step 5: Solve for x
    x = 20,351,864,440.70/162,420.44
  6. Step 6: Final answer
    x = 125,303.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.