Home / 130,248.54-195,356.97-55,398.78

Finding the Fourth Proportional to 130,248.54, 195,356.97 and 55,398.78

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Solution

The fourth proportional to 130,248.54, 195,356.97 and 55,398.78 is: 83,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,248.54 : 195,356.97 = 55,398.78 : x
  2. Step 2: Convert to fraction form
    130,248.54/195,356.97 = 55,398.78/x
  3. Step 3: Cross multiply
    130,248.54x = 195,356.97 × 55,398.78
  4. Step 4: Simplify right side
    130,248.54x = 10,822,537,802.50
  5. Step 5: Solve for x
    x = 10,822,537,802.50/130,248.54
  6. Step 6: Final answer
    x = 83,091.43

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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.