Home / 155,456.78-233,159.08-43,148.41

Finding the Fourth Proportional to 155,456.78, 233,159.08 and 43,148.41

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Solution

The fourth proportional to 155,456.78, 233,159.08 and 43,148.41 is: 64,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,456.78 : 233,159.08 = 43,148.41 : x
  2. Step 2: Convert to fraction form
    155,456.78/233,159.08 = 43,148.41/x
  3. Step 3: Cross multiply
    155,456.78x = 233,159.08 × 43,148.41
  4. Step 4: Simplify right side
    155,456.78x = 10,060,442,413.27
  5. Step 5: Solve for x
    x = 10,060,442,413.27/155,456.78
  6. Step 6: Final answer
    x = 64,715.37

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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.