Home / 131,432.10-197,148.15-101,940.90

Finding the Fourth Proportional to 131,432.10, 197,148.15 and 101,940.90

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Solution

The fourth proportional to 131,432.10, 197,148.15 and 101,940.90 is: 152,911.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.10 : 197,148.15 = 101,940.90 : x
  2. Step 2: Convert to fraction form
    131,432.10/197,148.15 = 101,940.90/x
  3. Step 3: Cross multiply
    131,432.10x = 197,148.15 × 101,940.90
  4. Step 4: Simplify right side
    131,432.10x = 20,097,459,844.34
  5. Step 5: Solve for x
    x = 20,097,459,844.34/131,432.10
  6. Step 6: Final answer
    x = 152,911.35

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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.