Home / 155,502.36-232,952.82-130,242.48

Finding the Fourth Proportional to 155,502.36, 232,952.82 and 130,242.48

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Solution

The fourth proportional to 155,502.36, 232,952.82 and 130,242.48 is: 195,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,502.36 : 232,952.82 = 130,242.48 : x
  2. Step 2: Convert to fraction form
    155,502.36/232,952.82 = 130,242.48/x
  3. Step 3: Cross multiply
    155,502.36x = 232,952.82 × 130,242.48
  4. Step 4: Simplify right side
    155,502.36x = 30,340,352,999.79
  5. Step 5: Solve for x
    x = 30,340,352,999.79/155,502.36
  6. Step 6: Final answer
    x = 195,111.85

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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.