Home / 137,502.47-189,398.46-97,146.18

Finding the Fourth Proportional to 137,502.47, 189,398.46 and 97,146.18

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Solution

The fourth proportional to 137,502.47, 189,398.46 and 97,146.18 is: 133,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,502.47 : 189,398.46 = 97,146.18 : x
  2. Step 2: Convert to fraction form
    137,502.47/189,398.46 = 97,146.18/x
  3. Step 3: Cross multiply
    137,502.47x = 189,398.46 × 97,146.18
  4. Step 4: Simplify right side
    137,502.47x = 18,399,336,886.88
  5. Step 5: Solve for x
    x = 18,399,336,886.88/137,502.47
  6. Step 6: Final answer
    x = 133,810.96

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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.