Home / 177,623.28-245,005.56-105,948

Finding the Fourth Proportional to 177,623.28, 245,005.56 and 105,948

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Solution

The fourth proportional to 177,623.28, 245,005.56 and 105,948 is: 146,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,623.28 : 245,005.56 = 105,948 : x
  2. Step 2: Convert to fraction form
    177,623.28/245,005.56 = 105,948/x
  3. Step 3: Cross multiply
    177,623.28x = 245,005.56 × 105,948
  4. Step 4: Simplify right side
    177,623.28x = 25,957,849,070.88
  5. Step 5: Solve for x
    x = 25,957,849,070.88/177,623.28
  6. Step 6: Final answer
    x = 146,139.90

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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.