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Finding the Fourth Proportional to 117,045.87, 161,522.13 and 63,329.70

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Solution

The fourth proportional to 117,045.87, 161,522.13 and 63,329.70 is: 87,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,045.87 : 161,522.13 = 63,329.70 : x
  2. Step 2: Convert to fraction form
    117,045.87/161,522.13 = 63,329.70/x
  3. Step 3: Cross multiply
    117,045.87x = 161,522.13 × 63,329.70
  4. Step 4: Simplify right side
    117,045.87x = 10,229,148,036.26
  5. Step 5: Solve for x
    x = 10,229,148,036.26/117,045.87
  6. Step 6: Final answer
    x = 87,394.35

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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.