Home / 85,148.06-127,722.02-40,158.92

Finding the Fourth Proportional to 85,148.06, 127,722.02 and 40,158.92

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Solution

The fourth proportional to 85,148.06, 127,722.02 and 40,158.92 is: 60,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,148.06 : 127,722.02 = 40,158.92 : x
  2. Step 2: Convert to fraction form
    85,148.06/127,722.02 = 40,158.92/x
  3. Step 3: Cross multiply
    85,148.06x = 127,722.02 × 40,158.92
  4. Step 4: Simplify right side
    85,148.06x = 5,129,178,501.93
  5. Step 5: Solve for x
    x = 5,129,178,501.93/85,148.06
  6. Step 6: Final answer
    x = 60,238.35

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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.