Home / 86,086.16-129,108.76-36,167.24

Finding the Fourth Proportional to 86,086.16, 129,108.76 and 36,167.24

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Solution

The fourth proportional to 86,086.16, 129,108.76 and 36,167.24 is: 54,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086.16 : 129,108.76 = 36,167.24 : x
  2. Step 2: Convert to fraction form
    86,086.16/129,108.76 = 36,167.24/x
  3. Step 3: Cross multiply
    86,086.16x = 129,108.76 × 36,167.24
  4. Step 4: Simplify right side
    86,086.16x = 4,669,507,509.02
  5. Step 5: Solve for x
    x = 4,669,507,509.02/86,086.16
  6. Step 6: Final answer
    x = 54,242.26

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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.