Home / 115,376.02-172,945.23-83,707.18

Finding the Fourth Proportional to 115,376.02, 172,945.23 and 83,707.18

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Solution

The fourth proportional to 115,376.02, 172,945.23 and 83,707.18 is: 125,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,376.02 : 172,945.23 = 83,707.18 : x
  2. Step 2: Convert to fraction form
    115,376.02/172,945.23 = 83,707.18/x
  3. Step 3: Cross multiply
    115,376.02x = 172,945.23 × 83,707.18
  4. Step 4: Simplify right side
    115,376.02x = 14,476,757,497.75
  5. Step 5: Solve for x
    x = 14,476,757,497.75/115,376.02
  6. Step 6: Final answer
    x = 125,474.58

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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.