Home / 124,902-187,339.23-31,407.75

Finding the Fourth Proportional to 124,902, 187,339.23 and 31,407.75

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Solution

The fourth proportional to 124,902, 187,339.23 and 31,407.75 is: 47,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,902 : 187,339.23 = 31,407.75 : x
  2. Step 2: Convert to fraction form
    124,902/187,339.23 = 31,407.75/x
  3. Step 3: Cross multiply
    124,902x = 187,339.23 × 31,407.75
  4. Step 4: Simplify right side
    124,902x = 5,883,903,701.03
  5. Step 5: Solve for x
    x = 5,883,903,701.03/124,902
  6. Step 6: Final answer
    x = 47,108.16

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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.