Home / 142,572.78-196,717.01-97,344.95

Finding the Fourth Proportional to 142,572.78, 196,717.01 and 97,344.95

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Solution

The fourth proportional to 142,572.78, 196,717.01 and 97,344.95 is: 134,313.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,572.78 : 196,717.01 = 97,344.95 : x
  2. Step 2: Convert to fraction form
    142,572.78/196,717.01 = 97,344.95/x
  3. Step 3: Cross multiply
    142,572.78x = 196,717.01 × 97,344.95
  4. Step 4: Simplify right side
    142,572.78x = 19,149,406,032.29
  5. Step 5: Solve for x
    x = 19,149,406,032.29/142,572.78
  6. Step 6: Final answer
    x = 134,313.20

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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.