Home / 126,753.50-190,317.16-70,703.12

Finding the Fourth Proportional to 126,753.50, 190,317.16 and 70,703.12

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Solution

The fourth proportional to 126,753.50, 190,317.16 and 70,703.12 is: 106,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,753.50 : 190,317.16 = 70,703.12 : x
  2. Step 2: Convert to fraction form
    126,753.50/190,317.16 = 70,703.12/x
  3. Step 3: Cross multiply
    126,753.50x = 190,317.16 × 70,703.12
  4. Step 4: Simplify right side
    126,753.50x = 13,456,016,648.02
  5. Step 5: Solve for x
    x = 13,456,016,648.02/126,753.50
  6. Step 6: Final answer
    x = 106,158.94

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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.