Home / 126,730.24-174,885.12-70,138.24

Finding the Fourth Proportional to 126,730.24, 174,885.12 and 70,138.24

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Solution

The fourth proportional to 126,730.24, 174,885.12 and 70,138.24 is: 96,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.24 : 174,885.12 = 70,138.24 : x
  2. Step 2: Convert to fraction form
    126,730.24/174,885.12 = 70,138.24/x
  3. Step 3: Cross multiply
    126,730.24x = 174,885.12 × 70,138.24
  4. Step 4: Simplify right side
    126,730.24x = 12,266,134,518.99
  5. Step 5: Solve for x
    x = 12,266,134,518.99/126,730.24
  6. Step 6: Final answer
    x = 96,789.33

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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.