Home / 115,156.16-172,740.42-36,276.56

Finding the Fourth Proportional to 115,156.16, 172,740.42 and 36,276.56

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Solution

The fourth proportional to 115,156.16, 172,740.42 and 36,276.56 is: 54,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,156.16 : 172,740.42 = 36,276.56 : x
  2. Step 2: Convert to fraction form
    115,156.16/172,740.42 = 36,276.56/x
  3. Step 3: Cross multiply
    115,156.16x = 172,740.42 × 36,276.56
  4. Step 4: Simplify right side
    115,156.16x = 6,266,428,210.56
  5. Step 5: Solve for x
    x = 6,266,428,210.56/115,156.16
  6. Step 6: Final answer
    x = 54,416.79

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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.