Home / 125,444.43-188,263.17-72,890.82

Finding the Fourth Proportional to 125,444.43, 188,263.17 and 72,890.82

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Solution

The fourth proportional to 125,444.43, 188,263.17 and 72,890.82 is: 109,392.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,444.43 : 188,263.17 = 72,890.82 : x
  2. Step 2: Convert to fraction form
    125,444.43/188,263.17 = 72,890.82/x
  3. Step 3: Cross multiply
    125,444.43x = 188,263.17 × 72,890.82
  4. Step 4: Simplify right side
    125,444.43x = 13,722,656,837.10
  5. Step 5: Solve for x
    x = 13,722,656,837.10/125,444.43
  6. Step 6: Final answer
    x = 109,392.32

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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.