Home / 131,627.52-181,645.76-74,266.76

Finding the Fourth Proportional to 131,627.52, 181,645.76 and 74,266.76

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Solution

The fourth proportional to 131,627.52, 181,645.76 and 74,266.76 is: 102,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,627.52 : 181,645.76 = 74,266.76 : x
  2. Step 2: Convert to fraction form
    131,627.52/181,645.76 = 74,266.76/x
  3. Step 3: Cross multiply
    131,627.52x = 181,645.76 × 74,266.76
  4. Step 4: Simplify right side
    131,627.52x = 13,490,242,062.94
  5. Step 5: Solve for x
    x = 13,490,242,062.94/131,627.52
  6. Step 6: Final answer
    x = 102,488.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.