Home / 115,059.51-172,612.80-48,499.65

Finding the Fourth Proportional to 115,059.51, 172,612.80 and 48,499.65

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Solution

The fourth proportional to 115,059.51, 172,612.80 and 48,499.65 is: 72,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,059.51 : 172,612.80 = 48,499.65 : x
  2. Step 2: Convert to fraction form
    115,059.51/172,612.80 = 48,499.65/x
  3. Step 3: Cross multiply
    115,059.51x = 172,612.80 × 48,499.65
  4. Step 4: Simplify right side
    115,059.51x = 8,371,660,385.52
  5. Step 5: Solve for x
    x = 8,371,660,385.52/115,059.51
  6. Step 6: Final answer
    x = 72,759.40

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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.