Home / 125,876.95-173,705.06-72,124.58

Finding the Fourth Proportional to 125,876.95, 173,705.06 and 72,124.58

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Solution

The fourth proportional to 125,876.95, 173,705.06 and 72,124.58 is: 99,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,876.95 : 173,705.06 = 72,124.58 : x
  2. Step 2: Convert to fraction form
    125,876.95/173,705.06 = 72,124.58/x
  3. Step 3: Cross multiply
    125,876.95x = 173,705.06 × 72,124.58
  4. Step 4: Simplify right side
    125,876.95x = 12,528,405,110.95
  5. Step 5: Solve for x
    x = 12,528,405,110.95/125,876.95
  6. Step 6: Final answer
    x = 99,528.99

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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.