Home / 112,329.40-168,494.10-59,711.80

Finding the Fourth Proportional to 112,329.40, 168,494.10 and 59,711.80

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Solution

The fourth proportional to 112,329.40, 168,494.10 and 59,711.80 is: 89,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,329.40 : 168,494.10 = 59,711.80 : x
  2. Step 2: Convert to fraction form
    112,329.40/168,494.10 = 59,711.80/x
  3. Step 3: Cross multiply
    112,329.40x = 168,494.10 × 59,711.80
  4. Step 4: Simplify right side
    112,329.40x = 10,061,086,000.38
  5. Step 5: Solve for x
    x = 10,061,086,000.38/112,329.40
  6. Step 6: Final answer
    x = 89,567.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.