Home / 126,801.18-174,985.74-70,211.34

Finding the Fourth Proportional to 126,801.18, 174,985.74 and 70,211.34

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Solution

The fourth proportional to 126,801.18, 174,985.74 and 70,211.34 is: 96,891.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,801.18 : 174,985.74 = 70,211.34 : x
  2. Step 2: Convert to fraction form
    126,801.18/174,985.74 = 70,211.34/x
  3. Step 3: Cross multiply
    126,801.18x = 174,985.74 × 70,211.34
  4. Step 4: Simplify right side
    126,801.18x = 12,285,983,286.29
  5. Step 5: Solve for x
    x = 12,285,983,286.29/126,801.18
  6. Step 6: Final answer
    x = 96,891.71

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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.