Home / 125,813.06-173,626.80-72,108.44

Finding the Fourth Proportional to 125,813.06, 173,626.80 and 72,108.44

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Solution

The fourth proportional to 125,813.06, 173,626.80 and 72,108.44 is: 99,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,813.06 : 173,626.80 = 72,108.44 : x
  2. Step 2: Convert to fraction form
    125,813.06/173,626.80 = 72,108.44/x
  3. Step 3: Cross multiply
    125,813.06x = 173,626.80 × 72,108.44
  4. Step 4: Simplify right side
    125,813.06x = 12,519,956,461.52
  5. Step 5: Solve for x
    x = 12,519,956,461.52/125,813.06
  6. Step 6: Final answer
    x = 99,512.38

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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.