Home / 115,036.97-172,547.20-36,173.75

Finding the Fourth Proportional to 115,036.97, 172,547.20 and 36,173.75

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Solution

The fourth proportional to 115,036.97, 172,547.20 and 36,173.75 is: 54,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036.97 : 172,547.20 = 36,173.75 : x
  2. Step 2: Convert to fraction form
    115,036.97/172,547.20 = 36,173.75/x
  3. Step 3: Cross multiply
    115,036.97x = 172,547.20 × 36,173.75
  4. Step 4: Simplify right side
    115,036.97x = 6,241,679,276
  5. Step 5: Solve for x
    x = 6,241,679,276/115,036.97
  6. Step 6: Final answer
    x = 54,258.03

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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.