Home / 135,475.20-186,937.26-75,030.92

Finding the Fourth Proportional to 135,475.20, 186,937.26 and 75,030.92

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Solution

The fourth proportional to 135,475.20, 186,937.26 and 75,030.92 is: 103,532.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,475.20 : 186,937.26 = 75,030.92 : x
  2. Step 2: Convert to fraction form
    135,475.20/186,937.26 = 75,030.92/x
  3. Step 3: Cross multiply
    135,475.20x = 186,937.26 × 75,030.92
  4. Step 4: Simplify right side
    135,475.20x = 14,026,074,600.08
  5. Step 5: Solve for x
    x = 14,026,074,600.08/135,475.20
  6. Step 6: Final answer
    x = 103,532.41

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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.