Home / 142,569.78-196,712.85-97,341.96

Finding the Fourth Proportional to 142,569.78, 196,712.85 and 97,341.96

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Solution

The fourth proportional to 142,569.78, 196,712.85 and 97,341.96 is: 134,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,569.78 : 196,712.85 = 97,341.96 : x
  2. Step 2: Convert to fraction form
    142,569.78/196,712.85 = 97,341.96/x
  3. Step 3: Cross multiply
    142,569.78x = 196,712.85 × 97,341.96
  4. Step 4: Simplify right side
    142,569.78x = 19,148,414,376.19
  5. Step 5: Solve for x
    x = 19,148,414,376.19/142,569.78
  6. Step 6: Final answer
    x = 134,309.07

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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.