Home / 103,076.71-142,263.62-60,637.03

Finding the Fourth Proportional to 103,076.71, 142,263.62 and 60,637.03

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Solution

The fourth proportional to 103,076.71, 142,263.62 and 60,637.03 is: 83,689.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,076.71 : 142,263.62 = 60,637.03 : x
  2. Step 2: Convert to fraction form
    103,076.71/142,263.62 = 60,637.03/x
  3. Step 3: Cross multiply
    103,076.71x = 142,263.62 × 60,637.03
  4. Step 4: Simplify right side
    103,076.71x = 8,626,443,393.85
  5. Step 5: Solve for x
    x = 8,626,443,393.85/103,076.71
  6. Step 6: Final answer
    x = 83,689.55

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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.