Home / 122,320.60-183,480.90-111,434.20

Finding the Fourth Proportional to 122,320.60, 183,480.90 and 111,434.20

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Solution

The fourth proportional to 122,320.60, 183,480.90 and 111,434.20 is: 167,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,320.60 : 183,480.90 = 111,434.20 : x
  2. Step 2: Convert to fraction form
    122,320.60/183,480.90 = 111,434.20/x
  3. Step 3: Cross multiply
    122,320.60x = 183,480.90 × 111,434.20
  4. Step 4: Simplify right side
    122,320.60x = 20,446,047,306.78
  5. Step 5: Solve for x
    x = 20,446,047,306.78/122,320.60
  6. Step 6: Final answer
    x = 167,151.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.