Home / 107,881.47-148,851.68-64,841.31

Finding the Fourth Proportional to 107,881.47, 148,851.68 and 64,841.31

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Solution

The fourth proportional to 107,881.47, 148,851.68 and 64,841.31 is: 89,466.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,881.47 : 148,851.68 = 64,841.31 : x
  2. Step 2: Convert to fraction form
    107,881.47/148,851.68 = 64,841.31/x
  3. Step 3: Cross multiply
    107,881.47x = 148,851.68 × 64,841.31
  4. Step 4: Simplify right side
    107,881.47x = 9,651,737,602.69
  5. Step 5: Solve for x
    x = 9,651,737,602.69/107,881.47
  6. Step 6: Final answer
    x = 89,466.13

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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.