Home / 85,158.04-127,752.56-28,995.28

Finding the Fourth Proportional to 85,158.04, 127,752.56 and 28,995.28

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Solution

The fourth proportional to 85,158.04, 127,752.56 and 28,995.28 is: 43,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,158.04 : 127,752.56 = 28,995.28 : x
  2. Step 2: Convert to fraction form
    85,158.04/127,752.56 = 28,995.28/x
  3. Step 3: Cross multiply
    85,158.04x = 127,752.56 × 28,995.28
  4. Step 4: Simplify right side
    85,158.04x = 3,704,221,247.92
  5. Step 5: Solve for x
    x = 3,704,221,247.92/85,158.04
  6. Step 6: Final answer
    x = 43,498.20

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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.