Home / 125,338.15-173,077.85-85,201.23

Finding the Fourth Proportional to 125,338.15, 173,077.85 and 85,201.23

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Solution

The fourth proportional to 125,338.15, 173,077.85 and 85,201.23 is: 117,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,338.15 : 173,077.85 = 85,201.23 : x
  2. Step 2: Convert to fraction form
    125,338.15/173,077.85 = 85,201.23/x
  3. Step 3: Cross multiply
    125,338.15x = 173,077.85 × 85,201.23
  4. Step 4: Simplify right side
    125,338.15x = 14,746,445,705.76
  5. Step 5: Solve for x
    x = 14,746,445,705.76/125,338.15
  6. Step 6: Final answer
    x = 117,653.29

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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.