Home / 120,225.19-165,923.22-69,239.74

Finding the Fourth Proportional to 120,225.19, 165,923.22 and 69,239.74

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Solution

The fourth proportional to 120,225.19, 165,923.22 and 69,239.74 is: 95,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,225.19 : 165,923.22 = 69,239.74 : x
  2. Step 2: Convert to fraction form
    120,225.19/165,923.22 = 69,239.74/x
  3. Step 3: Cross multiply
    120,225.19x = 165,923.22 × 69,239.74
  4. Step 4: Simplify right side
    120,225.19x = 11,488,480,612.76
  5. Step 5: Solve for x
    x = 11,488,480,612.76/120,225.19
  6. Step 6: Final answer
    x = 95,558.02

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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.