Home / 125,447.08-173,058.78-80,101.93

Finding the Fourth Proportional to 125,447.08, 173,058.78 and 80,101.93

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Solution

The fourth proportional to 125,447.08, 173,058.78 and 80,101.93 is: 110,503.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,447.08 : 173,058.78 = 80,101.93 : x
  2. Step 2: Convert to fraction form
    125,447.08/173,058.78 = 80,101.93/x
  3. Step 3: Cross multiply
    125,447.08x = 173,058.78 × 80,101.93
  4. Step 4: Simplify right side
    125,447.08x = 13,862,342,281.45
  5. Step 5: Solve for x
    x = 13,862,342,281.45/125,447.08
  6. Step 6: Final answer
    x = 110,503.51

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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.