Home / 145,276.83-217,920.16-38,660.89

Finding the Fourth Proportional to 145,276.83, 217,920.16 and 38,660.89

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Solution

The fourth proportional to 145,276.83, 217,920.16 and 38,660.89 is: 57,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,276.83 : 217,920.16 = 38,660.89 : x
  2. Step 2: Convert to fraction form
    145,276.83/217,920.16 = 38,660.89/x
  3. Step 3: Cross multiply
    145,276.83x = 217,920.16 × 38,660.89
  4. Step 4: Simplify right side
    145,276.83x = 8,424,987,246.67
  5. Step 5: Solve for x
    x = 8,424,987,246.67/145,276.83
  6. Step 6: Final answer
    x = 57,992.64

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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.