Home / 171,799.61-237,072.76-103,776.40

Finding the Fourth Proportional to 171,799.61, 237,072.76 and 103,776.40

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Solution

The fourth proportional to 171,799.61, 237,072.76 and 103,776.40 is: 143,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,799.61 : 237,072.76 = 103,776.40 : x
  2. Step 2: Convert to fraction form
    171,799.61/237,072.76 = 103,776.40/x
  3. Step 3: Cross multiply
    171,799.61x = 237,072.76 × 103,776.40
  4. Step 4: Simplify right side
    171,799.61x = 24,602,557,207.09
  5. Step 5: Solve for x
    x = 24,602,557,207.09/171,799.61
  6. Step 6: Final answer
    x = 143,204.96

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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.