Home / 124,989.09-187,484.85-31,494.84

Finding the Fourth Proportional to 124,989.09, 187,484.85 and 31,494.84

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Solution

The fourth proportional to 124,989.09, 187,484.85 and 31,494.84 is: 47,242.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,989.09 : 187,484.85 = 31,494.84 : x
  2. Step 2: Convert to fraction form
    124,989.09/187,484.85 = 31,494.84/x
  3. Step 3: Cross multiply
    124,989.09x = 187,484.85 × 31,494.84
  4. Step 4: Simplify right side
    124,989.09x = 5,904,805,353.17
  5. Step 5: Solve for x
    x = 5,904,805,353.17/124,989.09
  6. Step 6: Final answer
    x = 47,242.57

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1.5x scale

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.