Home / 125,007.40-172,511.22-68,419.24

Finding the Fourth Proportional to 125,007.40, 172,511.22 and 68,419.24

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Solution

The fourth proportional to 125,007.40, 172,511.22 and 68,419.24 is: 94,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,007.40 : 172,511.22 = 68,419.24 : x
  2. Step 2: Convert to fraction form
    125,007.40/172,511.22 = 68,419.24/x
  3. Step 3: Cross multiply
    125,007.40x = 172,511.22 × 68,419.24
  4. Step 4: Simplify right side
    125,007.40x = 11,803,086,563.87
  5. Step 5: Solve for x
    x = 11,803,086,563.87/125,007.40
  6. Step 6: Final answer
    x = 94,419.10

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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.