Home / 177,774.20-245,323.65-105,180.85

Finding the Fourth Proportional to 177,774.20, 245,323.65 and 105,180.85

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Solution

The fourth proportional to 177,774.20, 245,323.65 and 105,180.85 is: 145,146.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,774.20 : 245,323.65 = 105,180.85 : x
  2. Step 2: Convert to fraction form
    177,774.20/245,323.65 = 105,180.85/x
  3. Step 3: Cross multiply
    177,774.20x = 245,323.65 × 105,180.85
  4. Step 4: Simplify right side
    177,774.20x = 25,803,350,032.10
  5. Step 5: Solve for x
    x = 25,803,350,032.10/177,774.20
  6. Step 6: Final answer
    x = 145,146.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.