Home / 145,617.63-218,426.54-40,436.61

Finding the Fourth Proportional to 145,617.63, 218,426.54 and 40,436.61

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Solution

The fourth proportional to 145,617.63, 218,426.54 and 40,436.61 is: 60,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,617.63 : 218,426.54 = 40,436.61 : x
  2. Step 2: Convert to fraction form
    145,617.63/218,426.54 = 40,436.61/x
  3. Step 3: Cross multiply
    145,617.63x = 218,426.54 × 40,436.61
  4. Step 4: Simplify right side
    145,617.63x = 8,832,428,609.45
  5. Step 5: Solve for x
    x = 8,832,428,609.45/145,617.63
  6. Step 6: Final answer
    x = 60,654.94

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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.