Home / 126,722.80-190,107.15-60,162.40

Finding the Fourth Proportional to 126,722.80, 190,107.15 and 60,162.40

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Solution

The fourth proportional to 126,722.80, 190,107.15 and 60,162.40 is: 90,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,722.80 : 190,107.15 = 60,162.40 : x
  2. Step 2: Convert to fraction form
    126,722.80/190,107.15 = 60,162.40/x
  3. Step 3: Cross multiply
    126,722.80x = 190,107.15 × 60,162.40
  4. Step 4: Simplify right side
    126,722.80x = 11,437,302,401.16
  5. Step 5: Solve for x
    x = 11,437,302,401.16/126,722.80
  6. Step 6: Final answer
    x = 90,254.50

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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.