Home / 145,178.43-217,767.18-38,573.05

Finding the Fourth Proportional to 145,178.43, 217,767.18 and 38,573.05

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Solution

The fourth proportional to 145,178.43, 217,767.18 and 38,573.05 is: 57,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178.43 : 217,767.18 = 38,573.05 : x
  2. Step 2: Convert to fraction form
    145,178.43/217,767.18 = 38,573.05/x
  3. Step 3: Cross multiply
    145,178.43x = 217,767.18 × 38,573.05
  4. Step 4: Simplify right side
    145,178.43x = 8,399,944,322.50
  5. Step 5: Solve for x
    x = 8,399,944,322.50/145,178.43
  6. Step 6: Final answer
    x = 57,859.45

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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.