Home / 215,535.03-297,438.32-120,041.70

Finding the Fourth Proportional to 215,535.03, 297,438.32 and 120,041.70

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Solution

The fourth proportional to 215,535.03, 297,438.32 and 120,041.70 is: 165,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,535.03 : 297,438.32 = 120,041.70 : x
  2. Step 2: Convert to fraction form
    215,535.03/297,438.32 = 120,041.70/x
  3. Step 3: Cross multiply
    215,535.03x = 297,438.32 × 120,041.70
  4. Step 4: Simplify right side
    215,535.03x = 35,705,000,977.74
  5. Step 5: Solve for x
    x = 35,705,000,977.74/215,535.03
  6. Step 6: Final answer
    x = 165,657.53

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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.