Home / 86,252.15-129,334.46-39,464.93

Finding the Fourth Proportional to 86,252.15, 129,334.46 and 39,464.93

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Solution

The fourth proportional to 86,252.15, 129,334.46 and 39,464.93 is: 59,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,252.15 : 129,334.46 = 39,464.93 : x
  2. Step 2: Convert to fraction form
    86,252.15/129,334.46 = 39,464.93/x
  3. Step 3: Cross multiply
    86,252.15x = 129,334.46 × 39,464.93
  4. Step 4: Simplify right side
    86,252.15x = 5,104,174,566.49
  5. Step 5: Solve for x
    x = 5,104,174,566.49/86,252.15
  6. Step 6: Final answer
    x = 59,177.36

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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.