Home / 124,211.88-186,345.50-45,326.12

Finding the Fourth Proportional to 124,211.88, 186,345.50 and 45,326.12

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Solution

The fourth proportional to 124,211.88, 186,345.50 and 45,326.12 is: 67,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,211.88 : 186,345.50 = 45,326.12 : x
  2. Step 2: Convert to fraction form
    124,211.88/186,345.50 = 45,326.12/x
  3. Step 3: Cross multiply
    124,211.88x = 186,345.50 × 45,326.12
  4. Step 4: Simplify right side
    124,211.88x = 8,446,318,494.46
  5. Step 5: Solve for x
    x = 8,446,318,494.46/124,211.88
  6. Step 6: Final answer
    x = 67,999.28

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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.