Home / 85,159.04-127,754.06-28,996.28

Finding the Fourth Proportional to 85,159.04, 127,754.06 and 28,996.28

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Solution

The fourth proportional to 85,159.04, 127,754.06 and 28,996.28 is: 43,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,159.04 : 127,754.06 = 28,996.28 : x
  2. Step 2: Convert to fraction form
    85,159.04/127,754.06 = 28,996.28/x
  3. Step 3: Cross multiply
    85,159.04x = 127,754.06 × 28,996.28
  4. Step 4: Simplify right side
    85,159.04x = 3,704,392,494.90
  5. Step 5: Solve for x
    x = 3,704,392,494.90/85,159.04
  6. Step 6: Final answer
    x = 43,499.70

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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.