Home / 145,306.92-217,525.86-88,969.80

Finding the Fourth Proportional to 145,306.92, 217,525.86 and 88,969.80

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Solution

The fourth proportional to 145,306.92, 217,525.86 and 88,969.80 is: 133,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,306.92 : 217,525.86 = 88,969.80 : x
  2. Step 2: Convert to fraction form
    145,306.92/217,525.86 = 88,969.80/x
  3. Step 3: Cross multiply
    145,306.92x = 217,525.86 × 88,969.80
  4. Step 4: Simplify right side
    145,306.92x = 19,353,232,259.03
  5. Step 5: Solve for x
    x = 19,353,232,259.03/145,306.92
  6. Step 6: Final answer
    x = 133,188.65

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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.