Home / 145,559.74-218,339.61-40,378.69

Finding the Fourth Proportional to 145,559.74, 218,339.61 and 40,378.69

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Solution

The fourth proportional to 145,559.74, 218,339.61 and 40,378.69 is: 60,568.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,559.74 : 218,339.61 = 40,378.69 : x
  2. Step 2: Convert to fraction form
    145,559.74/218,339.61 = 40,378.69/x
  3. Step 3: Cross multiply
    145,559.74x = 218,339.61 × 40,378.69
  4. Step 4: Simplify right side
    145,559.74x = 8,816,267,426.91
  5. Step 5: Solve for x
    x = 8,816,267,426.91/145,559.74
  6. Step 6: Final answer
    x = 60,568.04

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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.