Home / 98,990.47-136,605.17-55,969.24

Finding the Fourth Proportional to 98,990.47, 136,605.17 and 55,969.24

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Solution

The fourth proportional to 98,990.47, 136,605.17 and 55,969.24 is: 77,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,990.47 : 136,605.17 = 55,969.24 : x
  2. Step 2: Convert to fraction form
    98,990.47/136,605.17 = 55,969.24/x
  3. Step 3: Cross multiply
    98,990.47x = 136,605.17 × 55,969.24
  4. Step 4: Simplify right side
    98,990.47x = 7,645,687,265.12
  5. Step 5: Solve for x
    x = 7,645,687,265.12/98,990.47
  6. Step 6: Final answer
    x = 77,236.60

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1.5x scale

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.