Home / 145,047.84-217,577.24-45,207.65

Finding the Fourth Proportional to 145,047.84, 217,577.24 and 45,207.65

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Solution

The fourth proportional to 145,047.84, 217,577.24 and 45,207.65 is: 67,813.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,047.84 : 217,577.24 = 45,207.65 : x
  2. Step 2: Convert to fraction form
    145,047.84/217,577.24 = 45,207.65/x
  3. Step 3: Cross multiply
    145,047.84x = 217,577.24 × 45,207.65
  4. Step 4: Simplify right side
    145,047.84x = 9,836,155,713.89
  5. Step 5: Solve for x
    x = 9,836,155,713.89/145,047.84
  6. Step 6: Final answer
    x = 67,813.18

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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.