Home / 253,520.93-380,158.35-127,106.85

Finding the Fourth Proportional to 253,520.93, 380,158.35 and 127,106.85

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Solution

The fourth proportional to 253,520.93, 380,158.35 and 127,106.85 is: 190,598.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,520.93 : 380,158.35 = 127,106.85 : x
  2. Step 2: Convert to fraction form
    253,520.93/380,158.35 = 127,106.85/x
  3. Step 3: Cross multiply
    253,520.93x = 380,158.35 × 127,106.85
  4. Step 4: Simplify right side
    253,520.93x = 48,320,730,369.70
  5. Step 5: Solve for x
    x = 48,320,730,369.70/253,520.93
  6. Step 6: Final answer
    x = 190,598.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.