Home / 145,872.80-218,809.24-46,040.78

Finding the Fourth Proportional to 145,872.80, 218,809.24 and 46,040.78

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Solution

The fourth proportional to 145,872.80, 218,809.24 and 46,040.78 is: 69,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,872.80 : 218,809.24 = 46,040.78 : x
  2. Step 2: Convert to fraction form
    145,872.80/218,809.24 = 46,040.78/x
  3. Step 3: Cross multiply
    145,872.80x = 218,809.24 × 46,040.78
  4. Step 4: Simplify right side
    145,872.80x = 10,074,148,080.81
  5. Step 5: Solve for x
    x = 10,074,148,080.81/145,872.80
  6. Step 6: Final answer
    x = 69,061.18

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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.