Home / 155,421.77-233,132.65-102,818.95

Finding the Fourth Proportional to 155,421.77, 233,132.65 and 102,818.95

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Solution

The fourth proportional to 155,421.77, 233,132.65 and 102,818.95 is: 154,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,421.77 : 233,132.65 = 102,818.95 : x
  2. Step 2: Convert to fraction form
    155,421.77/233,132.65 = 102,818.95/x
  3. Step 3: Cross multiply
    155,421.77x = 233,132.65 × 102,818.95
  4. Step 4: Simplify right side
    155,421.77x = 23,970,453,443.84
  5. Step 5: Solve for x
    x = 23,970,453,443.84/155,421.77
  6. Step 6: Final answer
    x = 154,228.42

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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.