Home / 86,275.54-129,444.45-30,123.92

Finding the Fourth Proportional to 86,275.54, 129,444.45 and 30,123.92

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Solution

The fourth proportional to 86,275.54, 129,444.45 and 30,123.92 is: 45,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275.54 : 129,444.45 = 30,123.92 : x
  2. Step 2: Convert to fraction form
    86,275.54/129,444.45 = 30,123.92/x
  3. Step 3: Cross multiply
    86,275.54x = 129,444.45 × 30,123.92
  4. Step 4: Simplify right side
    86,275.54x = 3,899,374,256.24
  5. Step 5: Solve for x
    x = 3,899,374,256.24/86,275.54
  6. Step 6: Final answer
    x = 45,196.75

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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.