Home / 115,442.15-172,850.43-59,921.51

Finding the Fourth Proportional to 115,442.15, 172,850.43 and 59,921.51

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Solution

The fourth proportional to 115,442.15, 172,850.43 and 59,921.51 is: 89,719.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.15 : 172,850.43 = 59,921.51 : x
  2. Step 2: Convert to fraction form
    115,442.15/172,850.43 = 59,921.51/x
  3. Step 3: Cross multiply
    115,442.15x = 172,850.43 × 59,921.51
  4. Step 4: Simplify right side
    115,442.15x = 10,357,458,769.75
  5. Step 5: Solve for x
    x = 10,357,458,769.75/115,442.15
  6. Step 6: Final answer
    x = 89,719.91

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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.