Home / 125,224.40-172,876.20-85,152.08

Finding the Fourth Proportional to 125,224.40, 172,876.20 and 85,152.08

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Solution

The fourth proportional to 125,224.40, 172,876.20 and 85,152.08 is: 117,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,224.40 : 172,876.20 = 85,152.08 : x
  2. Step 2: Convert to fraction form
    125,224.40/172,876.20 = 85,152.08/x
  3. Step 3: Cross multiply
    125,224.40x = 172,876.20 × 85,152.08
  4. Step 4: Simplify right side
    125,224.40x = 14,720,768,012.50
  5. Step 5: Solve for x
    x = 14,720,768,012.50/125,224.40
  6. Step 6: Final answer
    x = 117,555.11

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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.