Home / 137,553.04-188,586.98-135,064.72

Finding the Fourth Proportional to 137,553.04, 188,586.98 and 135,064.72

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Solution

The fourth proportional to 137,553.04, 188,586.98 and 135,064.72 is: 185,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,553.04 : 188,586.98 = 135,064.72 : x
  2. Step 2: Convert to fraction form
    137,553.04/188,586.98 = 135,064.72/x
  3. Step 3: Cross multiply
    137,553.04x = 188,586.98 × 135,064.72
  4. Step 4: Simplify right side
    137,553.04x = 25,471,447,649.35
  5. Step 5: Solve for x
    x = 25,471,447,649.35/137,553.04
  6. Step 6: Final answer
    x = 185,175.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.