Home / 153,010.44-229,374.92-81,981.95

Finding the Fourth Proportional to 153,010.44, 229,374.92 and 81,981.95

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Solution

The fourth proportional to 153,010.44, 229,374.92 and 81,981.95 is: 122,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.44 : 229,374.92 = 81,981.95 : x
  2. Step 2: Convert to fraction form
    153,010.44/229,374.92 = 81,981.95/x
  3. Step 3: Cross multiply
    153,010.44x = 229,374.92 × 81,981.95
  4. Step 4: Simplify right side
    153,010.44x = 18,804,603,222.69
  5. Step 5: Solve for x
    x = 18,804,603,222.69/153,010.44
  6. Step 6: Final answer
    x = 122,897.52

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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.