Home / 87,267.07-130,966.53-69,946.03

Finding the Fourth Proportional to 87,267.07, 130,966.53 and 69,946.03

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Solution

The fourth proportional to 87,267.07, 130,966.53 and 69,946.03 is: 104,971.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,267.07 : 130,966.53 = 69,946.03 : x
  2. Step 2: Convert to fraction form
    87,267.07/130,966.53 = 69,946.03/x
  3. Step 3: Cross multiply
    87,267.07x = 130,966.53 × 69,946.03
  4. Step 4: Simplify right side
    87,267.07x = 9,160,588,836.38
  5. Step 5: Solve for x
    x = 9,160,588,836.38/87,267.07
  6. Step 6: Final answer
    x = 104,971.89

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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.