Home / 125,411.16-188,178.26-58,856.70

Finding the Fourth Proportional to 125,411.16, 188,178.26 and 58,856.70

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Solution

The fourth proportional to 125,411.16, 188,178.26 and 58,856.70 is: 88,313.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,411.16 : 188,178.26 = 58,856.70 : x
  2. Step 2: Convert to fraction form
    125,411.16/188,178.26 = 58,856.70/x
  3. Step 3: Cross multiply
    125,411.16x = 188,178.26 × 58,856.70
  4. Step 4: Simplify right side
    125,411.16x = 11,075,551,806.73
  5. Step 5: Solve for x
    x = 11,075,551,806.73/125,411.16
  6. Step 6: Final answer
    x = 88,313.92

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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.