Home / 155,939.50-234,012.93-57,443.50

Finding the Fourth Proportional to 155,939.50, 234,012.93 and 57,443.50

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Solution

The fourth proportional to 155,939.50, 234,012.93 and 57,443.50 is: 86,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,939.50 : 234,012.93 = 57,443.50 : x
  2. Step 2: Convert to fraction form
    155,939.50/234,012.93 = 57,443.50/x
  3. Step 3: Cross multiply
    155,939.50x = 234,012.93 × 57,443.50
  4. Step 4: Simplify right side
    155,939.50x = 13,442,521,744.46
  5. Step 5: Solve for x
    x = 13,442,521,744.46/155,939.50
  6. Step 6: Final answer
    x = 86,203.44

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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.