Home / 115,045.36-172,496.56-48,451.20

Finding the Fourth Proportional to 115,045.36, 172,496.56 and 48,451.20

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Solution

The fourth proportional to 115,045.36, 172,496.56 and 48,451.20 is: 72,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.36 : 172,496.56 = 48,451.20 : x
  2. Step 2: Convert to fraction form
    115,045.36/172,496.56 = 48,451.20/x
  3. Step 3: Cross multiply
    115,045.36x = 172,496.56 × 48,451.20
  4. Step 4: Simplify right side
    115,045.36x = 8,357,665,327.87
  5. Step 5: Solve for x
    x = 8,357,665,327.87/115,045.36
  6. Step 6: Final answer
    x = 72,646.70

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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.