Home / 215,581.77-297,483.51-120,086.40

Finding the Fourth Proportional to 215,581.77, 297,483.51 and 120,086.40

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Solution

The fourth proportional to 215,581.77, 297,483.51 and 120,086.40 is: 165,708.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,581.77 : 297,483.51 = 120,086.40 : x
  2. Step 2: Convert to fraction form
    215,581.77/297,483.51 = 120,086.40/x
  3. Step 3: Cross multiply
    215,581.77x = 297,483.51 × 120,086.40
  4. Step 4: Simplify right side
    215,581.77x = 35,723,723,775.26
  5. Step 5: Solve for x
    x = 35,723,723,775.26/215,581.77
  6. Step 6: Final answer
    x = 165,708.46

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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.