Home / 125,296.50-188,038.15-50,417.28

Finding the Fourth Proportional to 125,296.50, 188,038.15 and 50,417.28

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Solution

The fourth proportional to 125,296.50, 188,038.15 and 50,417.28 is: 75,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,296.50 : 188,038.15 = 50,417.28 : x
  2. Step 2: Convert to fraction form
    125,296.50/188,038.15 = 50,417.28/x
  3. Step 3: Cross multiply
    125,296.50x = 188,038.15 × 50,417.28
  4. Step 4: Simplify right side
    125,296.50x = 9,480,371,119.04
  5. Step 5: Solve for x
    x = 9,480,371,119.04/125,296.50
  6. Step 6: Final answer
    x = 75,663.50

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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.