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Finding the Fourth Proportional to 162,952.99, 224,871.10 and 90,356.17

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Solution

The fourth proportional to 162,952.99, 224,871.10 and 90,356.17 is: 124,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,952.99 : 224,871.10 = 90,356.17 : x
  2. Step 2: Convert to fraction form
    162,952.99/224,871.10 = 90,356.17/x
  3. Step 3: Cross multiply
    162,952.99x = 224,871.10 × 90,356.17
  4. Step 4: Simplify right side
    162,952.99x = 20,318,491,416.54
  5. Step 5: Solve for x
    x = 20,318,491,416.54/162,952.99
  6. Step 6: Final answer
    x = 124,689.28

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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.