Home / 126,731.24-174,886.50-70,139.24

Finding the Fourth Proportional to 126,731.24, 174,886.50 and 70,139.24

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Solution

The fourth proportional to 126,731.24, 174,886.50 and 70,139.24 is: 96,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.24 : 174,886.50 = 70,139.24 : x
  2. Step 2: Convert to fraction form
    126,731.24/174,886.50 = 70,139.24/x
  3. Step 3: Cross multiply
    126,731.24x = 174,886.50 × 70,139.24
  4. Step 4: Simplify right side
    126,731.24x = 12,266,406,196.26
  5. Step 5: Solve for x
    x = 12,266,406,196.26/126,731.24
  6. Step 6: Final answer
    x = 96,790.71

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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.