Home / 158,331.08-218,497.22-85,734.76

Finding the Fourth Proportional to 158,331.08, 218,497.22 and 85,734.76

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Solution

The fourth proportional to 158,331.08, 218,497.22 and 85,734.76 is: 118,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,331.08 : 218,497.22 = 85,734.76 : x
  2. Step 2: Convert to fraction form
    158,331.08/218,497.22 = 85,734.76/x
  3. Step 3: Cross multiply
    158,331.08x = 218,497.22 × 85,734.76
  4. Step 4: Simplify right side
    158,331.08x = 18,732,806,717.37
  5. Step 5: Solve for x
    x = 18,732,806,717.37/158,331.08
  6. Step 6: Final answer
    x = 118,314.15

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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.