Home / 124,666.90-172,039.44-68,078.27

Finding the Fourth Proportional to 124,666.90, 172,039.44 and 68,078.27

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Solution

The fourth proportional to 124,666.90, 172,039.44 and 68,078.27 is: 93,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.90 : 172,039.44 = 68,078.27 : x
  2. Step 2: Convert to fraction form
    124,666.90/172,039.44 = 68,078.27/x
  3. Step 3: Cross multiply
    124,666.90x = 172,039.44 × 68,078.27
  4. Step 4: Simplify right side
    124,666.90x = 11,712,148,132.36
  5. Step 5: Solve for x
    x = 11,712,148,132.36/124,666.90
  6. Step 6: Final answer
    x = 93,947.54

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1.5x scale

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.