Home / 231,027.08-318,722.48-140,368.40

Finding the Fourth Proportional to 231,027.08, 318,722.48 and 140,368.40

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Solution

The fourth proportional to 231,027.08, 318,722.48 and 140,368.40 is: 193,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,027.08 : 318,722.48 = 140,368.40 : x
  2. Step 2: Convert to fraction form
    231,027.08/318,722.48 = 140,368.40/x
  3. Step 3: Cross multiply
    231,027.08x = 318,722.48 × 140,368.40
  4. Step 4: Simplify right side
    231,027.08x = 44,738,564,561.63
  5. Step 5: Solve for x
    x = 44,738,564,561.63/231,027.08
  6. Step 6: Final answer
    x = 193,650.74

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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.