Home / 155,709.31-233,564.12-43,389.85

Finding the Fourth Proportional to 155,709.31, 233,564.12 and 43,389.85

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Solution

The fourth proportional to 155,709.31, 233,564.12 and 43,389.85 is: 65,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,709.31 : 233,564.12 = 43,389.85 : x
  2. Step 2: Convert to fraction form
    155,709.31/233,564.12 = 43,389.85/x
  3. Step 3: Cross multiply
    155,709.31x = 233,564.12 × 43,389.85
  4. Step 4: Simplify right side
    155,709.31x = 10,134,312,132.18
  5. Step 5: Solve for x
    x = 10,134,312,132.18/155,709.31
  6. Step 6: Final answer
    x = 65,084.82

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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.