Home / 131,441.80-197,114.10-42,698.20

Finding the Fourth Proportional to 131,441.80, 197,114.10 and 42,698.20

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Solution

The fourth proportional to 131,441.80, 197,114.10 and 42,698.20 is: 64,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,441.80 : 197,114.10 = 42,698.20 : x
  2. Step 2: Convert to fraction form
    131,441.80/197,114.10 = 42,698.20/x
  3. Step 3: Cross multiply
    131,441.80x = 197,114.10 × 42,698.20
  4. Step 4: Simplify right side
    131,441.80x = 8,416,417,264.62
  5. Step 5: Solve for x
    x = 8,416,417,264.62/131,441.80
  6. Step 6: Final answer
    x = 64,031.51

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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.