Home / 209,809.08-314,987.94-124,575.48

Finding the Fourth Proportional to 209,809.08, 314,987.94 and 124,575.48

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Solution

The fourth proportional to 209,809.08, 314,987.94 and 124,575.48 is: 187,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,809.08 : 314,987.94 = 124,575.48 : x
  2. Step 2: Convert to fraction form
    209,809.08/314,987.94 = 124,575.48/x
  3. Step 3: Cross multiply
    209,809.08x = 314,987.94 × 124,575.48
  4. Step 4: Simplify right side
    209,809.08x = 39,239,773,819.71
  5. Step 5: Solve for x
    x = 39,239,773,819.71/209,809.08
  6. Step 6: Final answer
    x = 187,026.10

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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.