Home / 124,457.67-186,686.19-99,380.25

Finding the Fourth Proportional to 124,457.67, 186,686.19 and 99,380.25

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Solution

The fourth proportional to 124,457.67, 186,686.19 and 99,380.25 is: 149,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,457.67 : 186,686.19 = 99,380.25 : x
  2. Step 2: Convert to fraction form
    124,457.67/186,686.19 = 99,380.25/x
  3. Step 3: Cross multiply
    124,457.67x = 186,686.19 × 99,380.25
  4. Step 4: Simplify right side
    124,457.67x = 18,552,920,233.75
  5. Step 5: Solve for x
    x = 18,552,920,233.75/124,457.67
  6. Step 6: Final answer
    x = 149,070.12

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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.