Home / 215,567.70-297,488.64-120,075.96

Finding the Fourth Proportional to 215,567.70, 297,488.64 and 120,075.96

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Solution

The fourth proportional to 215,567.70, 297,488.64 and 120,075.96 is: 165,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,567.70 : 297,488.64 = 120,075.96 : x
  2. Step 2: Convert to fraction form
    215,567.70/297,488.64 = 120,075.96/x
  3. Step 3: Cross multiply
    215,567.70x = 297,488.64 × 120,075.96
  4. Step 4: Simplify right side
    215,567.70x = 35,721,234,037.09
  5. Step 5: Solve for x
    x = 35,721,234,037.09/215,567.70
  6. Step 6: Final answer
    x = 165,707.73

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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.