Home / 131,508.60-197,220.93-42,740.70

Finding the Fourth Proportional to 131,508.60, 197,220.93 and 42,740.70

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Solution

The fourth proportional to 131,508.60, 197,220.93 and 42,740.70 is: 64,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,508.60 : 197,220.93 = 42,740.70 : x
  2. Step 2: Convert to fraction form
    131,508.60/197,220.93 = 42,740.70/x
  3. Step 3: Cross multiply
    131,508.60x = 197,220.93 × 42,740.70
  4. Step 4: Simplify right side
    131,508.60x = 8,429,359,702.99
  5. Step 5: Solve for x
    x = 8,429,359,702.99/131,508.60
  6. Step 6: Final answer
    x = 64,097.40

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1.5x scale

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.