Home / 131,437.20-197,155.80-96,445.20

Finding the Fourth Proportional to 131,437.20, 197,155.80 and 96,445.20

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Solution

The fourth proportional to 131,437.20, 197,155.80 and 96,445.20 is: 144,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,437.20 : 197,155.80 = 96,445.20 : x
  2. Step 2: Convert to fraction form
    131,437.20/197,155.80 = 96,445.20/x
  3. Step 3: Cross multiply
    131,437.20x = 197,155.80 × 96,445.20
  4. Step 4: Simplify right side
    131,437.20x = 19,014,730,562.16
  5. Step 5: Solve for x
    x = 19,014,730,562.16/131,437.20
  6. Step 6: Final answer
    x = 144,667.80

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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.