Home / 87,316.80-130,975.20-59,668.80

Finding the Fourth Proportional to 87,316.80, 130,975.20 and 59,668.80

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Solution

The fourth proportional to 87,316.80, 130,975.20 and 59,668.80 is: 89,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,316.80 : 130,975.20 = 59,668.80 : x
  2. Step 2: Convert to fraction form
    87,316.80/130,975.20 = 59,668.80/x
  3. Step 3: Cross multiply
    87,316.80x = 130,975.20 × 59,668.80
  4. Step 4: Simplify right side
    87,316.80x = 7,815,133,013.76
  5. Step 5: Solve for x
    x = 7,815,133,013.76/87,316.80
  6. Step 6: Final answer
    x = 89,503.20

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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.