Home / 152,931.28-229,138-93,643.12

Finding the Fourth Proportional to 152,931.28, 229,138 and 93,643.12

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Solution

The fourth proportional to 152,931.28, 229,138 and 93,643.12 is: 140,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931.28 : 229,138 = 93,643.12 : x
  2. Step 2: Convert to fraction form
    152,931.28/229,138 = 93,643.12/x
  3. Step 3: Cross multiply
    152,931.28x = 229,138 × 93,643.12
  4. Step 4: Simplify right side
    152,931.28x = 21,457,197,230.56
  5. Step 5: Solve for x
    x = 21,457,197,230.56/152,931.28
  6. Step 6: Final answer
    x = 140,306.14

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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.