Home / 145,560.89-218,339.28-45,727.07

Finding the Fourth Proportional to 145,560.89, 218,339.28 and 45,727.07

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Solution

The fourth proportional to 145,560.89, 218,339.28 and 45,727.07 is: 68,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,560.89 : 218,339.28 = 45,727.07 : x
  2. Step 2: Convert to fraction form
    145,560.89/218,339.28 = 45,727.07/x
  3. Step 3: Cross multiply
    145,560.89x = 218,339.28 × 45,727.07
  4. Step 4: Simplify right side
    145,560.89x = 9,984,015,540.31
  5. Step 5: Solve for x
    x = 9,984,015,540.31/145,560.89
  6. Step 6: Final answer
    x = 68,589.96

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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.