Home / 125,359.02-172,989.72-68,769.18

Finding the Fourth Proportional to 125,359.02, 172,989.72 and 68,769.18

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Solution

The fourth proportional to 125,359.02, 172,989.72 and 68,769.18 is: 94,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,359.02 : 172,989.72 = 68,769.18 : x
  2. Step 2: Convert to fraction form
    125,359.02/172,989.72 = 68,769.18/x
  3. Step 3: Cross multiply
    125,359.02x = 172,989.72 × 68,769.18
  4. Step 4: Simplify right side
    125,359.02x = 11,896,361,192.83
  5. Step 5: Solve for x
    x = 11,896,361,192.83/125,359.02
  6. Step 6: Final answer
    x = 94,898.33

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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.