Home / 125,394.10-173,043.83-71,680.27

Finding the Fourth Proportional to 125,394.10, 173,043.83 and 71,680.27

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Solution

The fourth proportional to 125,394.10, 173,043.83 and 71,680.27 is: 98,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,394.10 : 173,043.83 = 71,680.27 : x
  2. Step 2: Convert to fraction form
    125,394.10/173,043.83 = 71,680.27/x
  3. Step 3: Cross multiply
    125,394.10x = 173,043.83 × 71,680.27
  4. Step 4: Simplify right side
    125,394.10x = 12,403,827,232.61
  5. Step 5: Solve for x
    x = 12,403,827,232.61/125,394.10
  6. Step 6: Final answer
    x = 98,918.75

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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.