Home / 125,877.95-173,706.44-72,125.58

Finding the Fourth Proportional to 125,877.95, 173,706.44 and 72,125.58

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Solution

The fourth proportional to 125,877.95, 173,706.44 and 72,125.58 is: 99,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,877.95 : 173,706.44 = 72,125.58 : x
  2. Step 2: Convert to fraction form
    125,877.95/173,706.44 = 72,125.58/x
  3. Step 3: Cross multiply
    125,877.95x = 173,706.44 × 72,125.58
  4. Step 4: Simplify right side
    125,877.95x = 12,528,677,734.74
  5. Step 5: Solve for x
    x = 12,528,677,734.74/125,877.95
  6. Step 6: Final answer
    x = 99,530.36

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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.