Home / 155,865.12-233,901.24-57,369.12

Finding the Fourth Proportional to 155,865.12, 233,901.24 and 57,369.12

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Solution

The fourth proportional to 155,865.12, 233,901.24 and 57,369.12 is: 86,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,865.12 : 233,901.24 = 57,369.12 : x
  2. Step 2: Convert to fraction form
    155,865.12/233,901.24 = 57,369.12/x
  3. Step 3: Cross multiply
    155,865.12x = 233,901.24 × 57,369.12
  4. Step 4: Simplify right side
    155,865.12x = 13,418,708,305.71
  5. Step 5: Solve for x
    x = 13,418,708,305.71/155,865.12
  6. Step 6: Final answer
    x = 86,091.80

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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.