Home / 124,756.88-172,164.29-71,041.91

Finding the Fourth Proportional to 124,756.88, 172,164.29 and 71,041.91

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Solution

The fourth proportional to 124,756.88, 172,164.29 and 71,041.91 is: 98,037.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,756.88 : 172,164.29 = 71,041.91 : x
  2. Step 2: Convert to fraction form
    124,756.88/172,164.29 = 71,041.91/x
  3. Step 3: Cross multiply
    124,756.88x = 172,164.29 × 71,041.91
  4. Step 4: Simplify right side
    124,756.88x = 12,230,878,779.36
  5. Step 5: Solve for x
    x = 12,230,878,779.36/124,756.88
  6. Step 6: Final answer
    x = 98,037.71

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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.