Home / 125,394.89-173,044.95-71,681.12

Finding the Fourth Proportional to 125,394.89, 173,044.95 and 71,681.12

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Solution

The fourth proportional to 125,394.89, 173,044.95 and 71,681.12 is: 98,919.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,394.89 : 173,044.95 = 71,681.12 : x
  2. Step 2: Convert to fraction form
    125,394.89/173,044.95 = 71,681.12/x
  3. Step 3: Cross multiply
    125,394.89x = 173,044.95 × 71,681.12
  4. Step 4: Simplify right side
    125,394.89x = 12,404,054,961.12
  5. Step 5: Solve for x
    x = 12,404,054,961.12/125,394.89
  6. Step 6: Final answer
    x = 98,919.94

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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.