Home / 90,928.76-136,465.14-38,374.52

Finding the Fourth Proportional to 90,928.76, 136,465.14 and 38,374.52

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Solution

The fourth proportional to 90,928.76, 136,465.14 and 38,374.52 is: 57,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.76 : 136,465.14 = 38,374.52 : x
  2. Step 2: Convert to fraction form
    90,928.76/136,465.14 = 38,374.52/x
  3. Step 3: Cross multiply
    90,928.76x = 136,465.14 × 38,374.52
  4. Step 4: Simplify right side
    90,928.76x = 5,236,784,244.23
  5. Step 5: Solve for x
    x = 5,236,784,244.23/90,928.76
  6. Step 6: Final answer
    x = 57,592.17

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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.