Home / 142,956.50-197,280.13-83,352.02

Finding the Fourth Proportional to 142,956.50, 197,280.13 and 83,352.02

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Solution

The fourth proportional to 142,956.50, 197,280.13 and 83,352.02 is: 115,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,956.50 : 197,280.13 = 83,352.02 : x
  2. Step 2: Convert to fraction form
    142,956.50/197,280.13 = 83,352.02/x
  3. Step 3: Cross multiply
    142,956.50x = 197,280.13 × 83,352.02
  4. Step 4: Simplify right side
    142,956.50x = 16,443,697,341.36
  5. Step 5: Solve for x
    x = 16,443,697,341.36/142,956.50
  6. Step 6: Final answer
    x = 115,025.88

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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.