Home / 215,319.45-297,140.87-119,826.22

Finding the Fourth Proportional to 215,319.45, 297,140.87 and 119,826.22

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Solution

The fourth proportional to 215,319.45, 297,140.87 and 119,826.22 is: 165,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,319.45 : 297,140.87 = 119,826.22 : x
  2. Step 2: Convert to fraction form
    215,319.45/297,140.87 = 119,826.22/x
  3. Step 3: Cross multiply
    215,319.45x = 297,140.87 × 119,826.22
  4. Step 4: Simplify right side
    215,319.45x = 35,605,267,259.61
  5. Step 5: Solve for x
    x = 35,605,267,259.61/215,319.45
  6. Step 6: Final answer
    x = 165,360.20

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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.