Home / 162,851.12-224,738.98-91,229.60

Finding the Fourth Proportional to 162,851.12, 224,738.98 and 91,229.60

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Solution

The fourth proportional to 162,851.12, 224,738.98 and 91,229.60 is: 125,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,851.12 : 224,738.98 = 91,229.60 : x
  2. Step 2: Convert to fraction form
    162,851.12/224,738.98 = 91,229.60/x
  3. Step 3: Cross multiply
    162,851.12x = 224,738.98 × 91,229.60
  4. Step 4: Simplify right side
    162,851.12x = 20,502,847,249.81
  5. Step 5: Solve for x
    x = 20,502,847,249.81/162,851.12
  6. Step 6: Final answer
    x = 125,899.33

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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.