Home / 179,649.19-247,907.48-103,115.13

Finding the Fourth Proportional to 179,649.19, 247,907.48 and 103,115.13

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Solution

The fourth proportional to 179,649.19, 247,907.48 and 103,115.13 is: 142,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,649.19 : 247,907.48 = 103,115.13 : x
  2. Step 2: Convert to fraction form
    179,649.19/247,907.48 = 103,115.13/x
  3. Step 3: Cross multiply
    179,649.19x = 247,907.48 × 103,115.13
  4. Step 4: Simplify right side
    179,649.19x = 25,563,012,028.17
  5. Step 5: Solve for x
    x = 25,563,012,028.17/179,649.19
  6. Step 6: Final answer
    x = 142,294.06

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1.5x scale

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.