Home / 137,501.47-189,397.08-97,145.18

Finding the Fourth Proportional to 137,501.47, 189,397.08 and 97,145.18

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Solution

The fourth proportional to 137,501.47, 189,397.08 and 97,145.18 is: 133,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,501.47 : 189,397.08 = 97,145.18 : x
  2. Step 2: Convert to fraction form
    137,501.47/189,397.08 = 97,145.18/x
  3. Step 3: Cross multiply
    137,501.47x = 189,397.08 × 97,145.18
  4. Step 4: Simplify right side
    137,501.47x = 18,399,013,428.07
  5. Step 5: Solve for x
    x = 18,399,013,428.07/137,501.47
  6. Step 6: Final answer
    x = 133,809.58

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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.