Home / 134,544.54-185,663.10-74,111.79

Finding the Fourth Proportional to 134,544.54, 185,663.10 and 74,111.79

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Solution

The fourth proportional to 134,544.54, 185,663.10 and 74,111.79 is: 102,269.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,544.54 : 185,663.10 = 74,111.79 : x
  2. Step 2: Convert to fraction form
    134,544.54/185,663.10 = 74,111.79/x
  3. Step 3: Cross multiply
    134,544.54x = 185,663.10 × 74,111.79
  4. Step 4: Simplify right side
    134,544.54x = 13,759,824,677.95
  5. Step 5: Solve for x
    x = 13,759,824,677.95/134,544.54
  6. Step 6: Final answer
    x = 102,269.66

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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.