Home / 105,040.80-145,002.96-62,614.08

Finding the Fourth Proportional to 105,040.80, 145,002.96 and 62,614.08

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Solution

The fourth proportional to 105,040.80, 145,002.96 and 62,614.08 is: 86,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.80 : 145,002.96 = 62,614.08 : x
  2. Step 2: Convert to fraction form
    105,040.80/145,002.96 = 62,614.08/x
  3. Step 3: Cross multiply
    105,040.80x = 145,002.96 × 62,614.08
  4. Step 4: Simplify right side
    105,040.80x = 9,079,226,937.68
  5. Step 5: Solve for x
    x = 9,079,226,937.68/105,040.80
  6. Step 6: Final answer
    x = 86,435.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.