Home / 132,070.60-197,960.10-72,948.70

Finding the Fourth Proportional to 132,070.60, 197,960.10 and 72,948.70

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Solution

The fourth proportional to 132,070.60, 197,960.10 and 72,948.70 is: 109,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.60 : 197,960.10 = 72,948.70 : x
  2. Step 2: Convert to fraction form
    132,070.60/197,960.10 = 72,948.70/x
  3. Step 3: Cross multiply
    132,070.60x = 197,960.10 × 72,948.70
  4. Step 4: Simplify right side
    132,070.60x = 14,440,931,946.87
  5. Step 5: Solve for x
    x = 14,440,931,946.87/132,070.60
  6. Step 6: Final answer
    x = 109,342.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.