Home / 86,373.12-119,131.46-57,248.82

Finding the Fourth Proportional to 86,373.12, 119,131.46 and 57,248.82

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Solution

The fourth proportional to 86,373.12, 119,131.46 and 57,248.82 is: 78,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,373.12 : 119,131.46 = 57,248.82 : x
  2. Step 2: Convert to fraction form
    86,373.12/119,131.46 = 57,248.82/x
  3. Step 3: Cross multiply
    86,373.12x = 119,131.46 × 57,248.82
  4. Step 4: Simplify right side
    86,373.12x = 6,820,135,223.63
  5. Step 5: Solve for x
    x = 6,820,135,223.63/86,373.12
  6. Step 6: Final answer
    x = 78,961.32

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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.