Home / 131,358.88-197,066.02-42,605.49

Finding the Fourth Proportional to 131,358.88, 197,066.02 and 42,605.49

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Solution

The fourth proportional to 131,358.88, 197,066.02 and 42,605.49 is: 63,917.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,358.88 : 197,066.02 = 42,605.49 : x
  2. Step 2: Convert to fraction form
    131,358.88/197,066.02 = 42,605.49/x
  3. Step 3: Cross multiply
    131,358.88x = 197,066.02 × 42,605.49
  4. Step 4: Simplify right side
    131,358.88x = 8,396,094,397.71
  5. Step 5: Solve for x
    x = 8,396,094,397.71/131,358.88
  6. Step 6: Final answer
    x = 63,917.22

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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.