Home / 145,178.81-217,767.74-38,573.43

Finding the Fourth Proportional to 145,178.81, 217,767.74 and 38,573.43

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Solution

The fourth proportional to 145,178.81, 217,767.74 and 38,573.43 is: 57,860.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,178.81 : 217,767.74 = 38,573.43 : x
  2. Step 2: Convert to fraction form
    145,178.81/217,767.74 = 38,573.43/x
  3. Step 3: Cross multiply
    145,178.81x = 217,767.74 × 38,573.43
  4. Step 4: Simplify right side
    145,178.81x = 8,400,048,675.15
  5. Step 5: Solve for x
    x = 8,400,048,675.15/145,178.81
  6. Step 6: Final answer
    x = 57,860.02

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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.