Home / 318,191.60-477,285.24-107,977.52

Finding the Fourth Proportional to 318,191.60, 477,285.24 and 107,977.52

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Solution

The fourth proportional to 318,191.60, 477,285.24 and 107,977.52 is: 161,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,191.60 : 477,285.24 = 107,977.52 : x
  2. Step 2: Convert to fraction form
    318,191.60/477,285.24 = 107,977.52/x
  3. Step 3: Cross multiply
    318,191.60x = 477,285.24 × 107,977.52
  4. Step 4: Simplify right side
    318,191.60x = 51,536,076,547.80
  5. Step 5: Solve for x
    x = 51,536,076,547.80/318,191.60
  6. Step 6: Final answer
    x = 161,965.55

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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.