Home / 124,920.90-187,381.35-113,111.10

Finding the Fourth Proportional to 124,920.90, 187,381.35 and 113,111.10

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Solution

The fourth proportional to 124,920.90, 187,381.35 and 113,111.10 is: 169,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,920.90 : 187,381.35 = 113,111.10 : x
  2. Step 2: Convert to fraction form
    124,920.90/187,381.35 = 113,111.10/x
  3. Step 3: Cross multiply
    124,920.90x = 187,381.35 × 113,111.10
  4. Step 4: Simplify right side
    124,920.90x = 21,194,910,617.99
  5. Step 5: Solve for x
    x = 21,194,910,617.99/124,920.90
  6. Step 6: Final answer
    x = 169,666.65

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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.