Home / 94,247.20-141,370.80-85,499.20

Finding the Fourth Proportional to 94,247.20, 141,370.80 and 85,499.20

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Solution

The fourth proportional to 94,247.20, 141,370.80 and 85,499.20 is: 128,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,247.20 : 141,370.80 = 85,499.20 : x
  2. Step 2: Convert to fraction form
    94,247.20/141,370.80 = 85,499.20/x
  3. Step 3: Cross multiply
    94,247.20x = 141,370.80 × 85,499.20
  4. Step 4: Simplify right side
    94,247.20x = 12,087,090,303.36
  5. Step 5: Solve for x
    x = 12,087,090,303.36/94,247.20
  6. Step 6: Final answer
    x = 128,248.80

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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.