Home / 131,434.90-197,200.95-52,605.70

Finding the Fourth Proportional to 131,434.90, 197,200.95 and 52,605.70

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Solution

The fourth proportional to 131,434.90, 197,200.95 and 52,605.70 is: 78,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,434.90 : 197,200.95 = 52,605.70 : x
  2. Step 2: Convert to fraction form
    131,434.90/197,200.95 = 52,605.70/x
  3. Step 3: Cross multiply
    131,434.90x = 197,200.95 × 52,605.70
  4. Step 4: Simplify right side
    131,434.90x = 10,373,894,015.42
  5. Step 5: Solve for x
    x = 10,373,894,015.42/131,434.90
  6. Step 6: Final answer
    x = 78,928.00

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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.