Home / 103,464.60-142,770.50-58,135.38

Finding the Fourth Proportional to 103,464.60, 142,770.50 and 58,135.38

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Solution

The fourth proportional to 103,464.60, 142,770.50 and 58,135.38 is: 80,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.60 : 142,770.50 = 58,135.38 : x
  2. Step 2: Convert to fraction form
    103,464.60/142,770.50 = 58,135.38/x
  3. Step 3: Cross multiply
    103,464.60x = 142,770.50 × 58,135.38
  4. Step 4: Simplify right side
    103,464.60x = 8,300,017,270.29
  5. Step 5: Solve for x
    x = 8,300,017,270.29/103,464.60
  6. Step 6: Final answer
    x = 80,220.84

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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.