Home / 145,559.08-218,338.92-40,378.32

Finding the Fourth Proportional to 145,559.08, 218,338.92 and 40,378.32

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Solution

The fourth proportional to 145,559.08, 218,338.92 and 40,378.32 is: 60,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,559.08 : 218,338.92 = 40,378.32 : x
  2. Step 2: Convert to fraction form
    145,559.08/218,338.92 = 40,378.32/x
  3. Step 3: Cross multiply
    145,559.08x = 218,338.92 × 40,378.32
  4. Step 4: Simplify right side
    145,559.08x = 8,816,158,780.21
  5. Step 5: Solve for x
    x = 8,816,158,780.21/145,559.08
  6. Step 6: Final answer
    x = 60,567.56

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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.