Home / 98,989.02-136,605.78-53,666.88

Finding the Fourth Proportional to 98,989.02, 136,605.78 and 53,666.88

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Solution

The fourth proportional to 98,989.02, 136,605.78 and 53,666.88 is: 74,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,989.02 : 136,605.78 = 53,666.88 : x
  2. Step 2: Convert to fraction form
    98,989.02/136,605.78 = 53,666.88/x
  3. Step 3: Cross multiply
    98,989.02x = 136,605.78 × 53,666.88
  4. Step 4: Simplify right side
    98,989.02x = 7,331,206,002.57
  5. Step 5: Solve for x
    x = 7,331,206,002.57/98,989.02
  6. Step 6: Final answer
    x = 74,060.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.