Home / 134,833.90-186,070.56-74,404.54

Finding the Fourth Proportional to 134,833.90, 186,070.56 and 74,404.54

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Solution

The fourth proportional to 134,833.90, 186,070.56 and 74,404.54 is: 102,678.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,833.90 : 186,070.56 = 74,404.54 : x
  2. Step 2: Convert to fraction form
    134,833.90/186,070.56 = 74,404.54/x
  3. Step 3: Cross multiply
    134,833.90x = 186,070.56 × 74,404.54
  4. Step 4: Simplify right side
    134,833.90x = 13,844,494,424.34
  5. Step 5: Solve for x
    x = 13,844,494,424.34/134,833.90
  6. Step 6: Final answer
    x = 102,678.14

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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.