Home / 142,309.60-213,432.95-41,085.66

Finding the Fourth Proportional to 142,309.60, 213,432.95 and 41,085.66

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Solution

The fourth proportional to 142,309.60, 213,432.95 and 41,085.66 is: 61,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,309.60 : 213,432.95 = 41,085.66 : x
  2. Step 2: Convert to fraction form
    142,309.60/213,432.95 = 41,085.66/x
  3. Step 3: Cross multiply
    142,309.60x = 213,432.95 × 41,085.66
  4. Step 4: Simplify right side
    142,309.60x = 8,769,033,919.30
  5. Step 5: Solve for x
    x = 8,769,033,919.30/142,309.60
  6. Step 6: Final answer
    x = 61,619.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.