Home / 115,158.03-172,605.99-70,079.97

Finding the Fourth Proportional to 115,158.03, 172,605.99 and 70,079.97

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Solution

The fourth proportional to 115,158.03, 172,605.99 and 70,079.97 is: 105,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,158.03 : 172,605.99 = 70,079.97 : x
  2. Step 2: Convert to fraction form
    115,158.03/172,605.99 = 70,079.97/x
  3. Step 3: Cross multiply
    115,158.03x = 172,605.99 × 70,079.97
  4. Step 4: Simplify right side
    115,158.03x = 12,096,222,601.02
  5. Step 5: Solve for x
    x = 12,096,222,601.02/115,158.03
  6. Step 6: Final answer
    x = 105,040.20

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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.