Home / 137,389.06-207,143.10-136,536.13

Finding the Fourth Proportional to 137,389.06, 207,143.10 and 136,536.13

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Solution

The fourth proportional to 137,389.06, 207,143.10 and 136,536.13 is: 205,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,389.06 : 207,143.10 = 136,536.13 : x
  2. Step 2: Convert to fraction form
    137,389.06/207,143.10 = 136,536.13/x
  3. Step 3: Cross multiply
    137,389.06x = 207,143.10 × 136,536.13
  4. Step 4: Simplify right side
    137,389.06x = 28,282,517,230.20
  5. Step 5: Solve for x
    x = 28,282,517,230.20/137,389.06
  6. Step 6: Final answer
    x = 205,857.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.