Home / 124,984.98-172,486.89-71,280.36

Finding the Fourth Proportional to 124,984.98, 172,486.89 and 71,280.36

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Solution

The fourth proportional to 124,984.98, 172,486.89 and 71,280.36 is: 98,371.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,984.98 : 172,486.89 = 71,280.36 : x
  2. Step 2: Convert to fraction form
    124,984.98/172,486.89 = 71,280.36/x
  3. Step 3: Cross multiply
    124,984.98x = 172,486.89 × 71,280.36
  4. Step 4: Simplify right side
    124,984.98x = 12,294,927,614.48
  5. Step 5: Solve for x
    x = 12,294,927,614.48/124,984.98
  6. Step 6: Final answer
    x = 98,371.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.