Home / 109,211.20-150,686.53-61,447.12

Finding the Fourth Proportional to 109,211.20, 150,686.53 and 61,447.12

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Solution

The fourth proportional to 109,211.20, 150,686.53 and 61,447.12 is: 84,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,211.20 : 150,686.53 = 61,447.12 : x
  2. Step 2: Convert to fraction form
    109,211.20/150,686.53 = 61,447.12/x
  3. Step 3: Cross multiply
    109,211.20x = 150,686.53 × 61,447.12
  4. Step 4: Simplify right side
    109,211.20x = 9,259,253,291.29
  5. Step 5: Solve for x
    x = 9,259,253,291.29/109,211.20
  6. Step 6: Final answer
    x = 84,783.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.