Home / 125,788.02-173,612.28-72,109.08

Finding the Fourth Proportional to 125,788.02, 173,612.28 and 72,109.08

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Solution

The fourth proportional to 125,788.02, 173,612.28 and 72,109.08 is: 99,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,788.02 : 173,612.28 = 72,109.08 : x
  2. Step 2: Convert to fraction form
    125,788.02/173,612.28 = 72,109.08/x
  3. Step 3: Cross multiply
    125,788.02x = 173,612.28 × 72,109.08
  4. Step 4: Simplify right side
    125,788.02x = 12,519,021,787.50
  5. Step 5: Solve for x
    x = 12,519,021,787.50/125,788.02
  6. Step 6: Final answer
    x = 99,524.75

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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.