Home / 120,223.79-165,873.02-69,235.18

Finding the Fourth Proportional to 120,223.79, 165,873.02 and 69,235.18

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Solution

The fourth proportional to 120,223.79, 165,873.02 and 69,235.18 is: 95,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,223.79 : 165,873.02 = 69,235.18 : x
  2. Step 2: Convert to fraction form
    120,223.79/165,873.02 = 69,235.18/x
  3. Step 3: Cross multiply
    120,223.79x = 165,873.02 × 69,235.18
  4. Step 4: Simplify right side
    120,223.79x = 11,484,248,102.50
  5. Step 5: Solve for x
    x = 11,484,248,102.50/120,223.79
  6. Step 6: Final answer
    x = 95,523.92

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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.