Home / 103,184.66-142,342.40-67,395.62

Finding the Fourth Proportional to 103,184.66, 142,342.40 and 67,395.62

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Solution

The fourth proportional to 103,184.66, 142,342.40 and 67,395.62 is: 92,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,184.66 : 142,342.40 = 67,395.62 : x
  2. Step 2: Convert to fraction form
    103,184.66/142,342.40 = 67,395.62/x
  3. Step 3: Cross multiply
    103,184.66x = 142,342.40 × 67,395.62
  4. Step 4: Simplify right side
    103,184.66x = 9,593,253,251.60
  5. Step 5: Solve for x
    x = 9,593,253,251.60/103,184.66
  6. Step 6: Final answer
    x = 92,971.70

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1.5x scale

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.