Home / 142,856.52-197,303.40-97,456.56

Finding the Fourth Proportional to 142,856.52, 197,303.40 and 97,456.56

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Solution

The fourth proportional to 142,856.52, 197,303.40 and 97,456.56 is: 134,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,856.52 : 197,303.40 = 97,456.56 : x
  2. Step 2: Convert to fraction form
    142,856.52/197,303.40 = 97,456.56/x
  3. Step 3: Cross multiply
    142,856.52x = 197,303.40 × 97,456.56
  4. Step 4: Simplify right side
    142,856.52x = 19,228,510,640.30
  5. Step 5: Solve for x
    x = 19,228,510,640.30/142,856.52
  6. Step 6: Final answer
    x = 134,600.16

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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.