Home / 145,217.22-217,864.71-131,337.06

Finding the Fourth Proportional to 145,217.22, 217,864.71 and 131,337.06

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Solution

The fourth proportional to 145,217.22, 217,864.71 and 131,337.06 is: 197,040.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,217.22 : 217,864.71 = 131,337.06 : x
  2. Step 2: Convert to fraction form
    145,217.22/217,864.71 = 131,337.06/x
  3. Step 3: Cross multiply
    145,217.22x = 217,864.71 × 131,337.06
  4. Step 4: Simplify right side
    145,217.22x = 28,613,710,489.15
  5. Step 5: Solve for x
    x = 28,613,710,489.15/145,217.22
  6. Step 6: Final answer
    x = 197,040.75

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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.