Home / 103,281.60-142,506.48-67,524.12

Finding the Fourth Proportional to 103,281.60, 142,506.48 and 67,524.12

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Solution

The fourth proportional to 103,281.60, 142,506.48 and 67,524.12 is: 93,168.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,281.60 : 142,506.48 = 67,524.12 : x
  2. Step 2: Convert to fraction form
    103,281.60/142,506.48 = 67,524.12/x
  3. Step 3: Cross multiply
    103,281.60x = 142,506.48 × 67,524.12
  4. Step 4: Simplify right side
    103,281.60x = 9,622,624,656.30
  5. Step 5: Solve for x
    x = 9,622,624,656.30/103,281.60
  6. Step 6: Final answer
    x = 93,168.82

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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.