Home / 120,259.74-180,394.22-53,700.45

Finding the Fourth Proportional to 120,259.74, 180,394.22 and 53,700.45

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Solution

The fourth proportional to 120,259.74, 180,394.22 and 53,700.45 is: 80,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,259.74 : 180,394.22 = 53,700.45 : x
  2. Step 2: Convert to fraction form
    120,259.74/180,394.22 = 53,700.45/x
  3. Step 3: Cross multiply
    120,259.74x = 180,394.22 × 53,700.45
  4. Step 4: Simplify right side
    120,259.74x = 9,687,250,522.90
  5. Step 5: Solve for x
    x = 9,687,250,522.90/120,259.74
  6. Step 6: Final answer
    x = 80,552.73

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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.