Home / 272,987.30-376,717.35-152,125.92

Finding the Fourth Proportional to 272,987.30, 376,717.35 and 152,125.92

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Solution

The fourth proportional to 272,987.30, 376,717.35 and 152,125.92 is: 209,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,987.30 : 376,717.35 = 152,125.92 : x
  2. Step 2: Convert to fraction form
    272,987.30/376,717.35 = 152,125.92/x
  3. Step 3: Cross multiply
    272,987.30x = 376,717.35 × 152,125.92
  4. Step 4: Simplify right side
    272,987.30x = 57,308,473,448.71
  5. Step 5: Solve for x
    x = 57,308,473,448.71/272,987.30
  6. Step 6: Final answer
    x = 209,930.92

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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.