Home / 137,875.92-206,637.36-120,033.84

Finding the Fourth Proportional to 137,875.92, 206,637.36 and 120,033.84

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Solution

The fourth proportional to 137,875.92, 206,637.36 and 120,033.84 is: 179,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,875.92 : 206,637.36 = 120,033.84 : x
  2. Step 2: Convert to fraction form
    137,875.92/206,637.36 = 120,033.84/x
  3. Step 3: Cross multiply
    137,875.92x = 206,637.36 × 120,033.84
  4. Step 4: Simplify right side
    137,875.92x = 24,803,475,808.26
  5. Step 5: Solve for x
    x = 24,803,475,808.26/137,875.92
  6. Step 6: Final answer
    x = 179,897.08

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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.