Home / 145,507.68-218,188.15-44,286.32

Finding the Fourth Proportional to 145,507.68, 218,188.15 and 44,286.32

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Solution

The fourth proportional to 145,507.68, 218,188.15 and 44,286.32 is: 66,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,507.68 : 218,188.15 = 44,286.32 : x
  2. Step 2: Convert to fraction form
    145,507.68/218,188.15 = 44,286.32/x
  3. Step 3: Cross multiply
    145,507.68x = 218,188.15 × 44,286.32
  4. Step 4: Simplify right side
    145,507.68x = 9,662,750,231.11
  5. Step 5: Solve for x
    x = 9,662,750,231.11/145,507.68
  6. Step 6: Final answer
    x = 66,407.15

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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.