Home / 125,899.52-173,740-69,309.76

Finding the Fourth Proportional to 125,899.52, 173,740 and 69,309.76

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Solution

The fourth proportional to 125,899.52, 173,740 and 69,309.76 is: 95,646.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,899.52 : 173,740 = 69,309.76 : x
  2. Step 2: Convert to fraction form
    125,899.52/173,740 = 69,309.76/x
  3. Step 3: Cross multiply
    125,899.52x = 173,740 × 69,309.76
  4. Step 4: Simplify right side
    125,899.52x = 12,041,877,702.40
  5. Step 5: Solve for x
    x = 12,041,877,702.40/125,899.52
  6. Step 6: Final answer
    x = 95,646.73

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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.