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Finding the Fourth Proportional to 162,869.78, 224,754.06 and 91,246.20

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Solution

The fourth proportional to 162,869.78, 224,754.06 and 91,246.20 is: 125,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,869.78 : 224,754.06 = 91,246.20 : x
  2. Step 2: Convert to fraction form
    162,869.78/224,754.06 = 91,246.20/x
  3. Step 3: Cross multiply
    162,869.78x = 224,754.06 × 91,246.20
  4. Step 4: Simplify right side
    162,869.78x = 20,507,953,909.57
  5. Step 5: Solve for x
    x = 20,507,953,909.57/162,869.78
  6. Step 6: Final answer
    x = 125,916.26

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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.