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Finding the Fourth Proportional to 162,471.10, 224,210.80 and 90,851.11

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Solution

The fourth proportional to 162,471.10, 224,210.80 and 90,851.11 is: 125,374.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,471.10 : 224,210.80 = 90,851.11 : x
  2. Step 2: Convert to fraction form
    162,471.10/224,210.80 = 90,851.11/x
  3. Step 3: Cross multiply
    162,471.10x = 224,210.80 × 90,851.11
  4. Step 4: Simplify right side
    162,471.10x = 20,369,800,053.99
  5. Step 5: Solve for x
    x = 20,369,800,053.99/162,471.10
  6. Step 6: Final answer
    x = 125,374.91

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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.