Home / 115,008.36-172,528.74-40,117.58

Finding the Fourth Proportional to 115,008.36, 172,528.74 and 40,117.58

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Solution

The fourth proportional to 115,008.36, 172,528.74 and 40,117.58 is: 60,182.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,008.36 : 172,528.74 = 40,117.58 : x
  2. Step 2: Convert to fraction form
    115,008.36/172,528.74 = 40,117.58/x
  3. Step 3: Cross multiply
    115,008.36x = 172,528.74 × 40,117.58
  4. Step 4: Simplify right side
    115,008.36x = 6,921,435,960.57
  5. Step 5: Solve for x
    x = 6,921,435,960.57/115,008.36
  6. Step 6: Final answer
    x = 60,182.02

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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.