Home / 115,256.14-172,878.12-35,294.22

Finding the Fourth Proportional to 115,256.14, 172,878.12 and 35,294.22

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Solution

The fourth proportional to 115,256.14, 172,878.12 and 35,294.22 is: 52,939.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.14 : 172,878.12 = 35,294.22 : x
  2. Step 2: Convert to fraction form
    115,256.14/172,878.12 = 35,294.22/x
  3. Step 3: Cross multiply
    115,256.14x = 172,878.12 × 35,294.22
  4. Step 4: Simplify right side
    115,256.14x = 6,101,598,400.47
  5. Step 5: Solve for x
    x = 6,101,598,400.47/115,256.14
  6. Step 6: Final answer
    x = 52,939.47

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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.