Home / 145,119.90-217,763.88-60,872.58

Finding the Fourth Proportional to 145,119.90, 217,763.88 and 60,872.58

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Solution

The fourth proportional to 145,119.90, 217,763.88 and 60,872.58 is: 91,344.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,119.90 : 217,763.88 = 60,872.58 : x
  2. Step 2: Convert to fraction form
    145,119.90/217,763.88 = 60,872.58/x
  3. Step 3: Cross multiply
    145,119.90x = 217,763.88 × 60,872.58
  4. Step 4: Simplify right side
    145,119.90x = 13,255,849,206.41
  5. Step 5: Solve for x
    x = 13,255,849,206.41/145,119.90
  6. Step 6: Final answer
    x = 91,344.12

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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.