Home / 137,910.06-206,877.06-38,070.30

Finding the Fourth Proportional to 137,910.06, 206,877.06 and 38,070.30

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Solution

The fourth proportional to 137,910.06, 206,877.06 and 38,070.30 is: 57,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,910.06 : 206,877.06 = 38,070.30 : x
  2. Step 2: Convert to fraction form
    137,910.06/206,877.06 = 38,070.30/x
  3. Step 3: Cross multiply
    137,910.06x = 206,877.06 × 38,070.30
  4. Step 4: Simplify right side
    137,910.06x = 7,875,871,737.32
  5. Step 5: Solve for x
    x = 7,875,871,737.32/137,910.06
  6. Step 6: Final answer
    x = 57,108.75

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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.