Home / 180,390.15-270,351.02-73,649.16

Finding the Fourth Proportional to 180,390.15, 270,351.02 and 73,649.16

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Solution

The fourth proportional to 180,390.15, 270,351.02 and 73,649.16 is: 110,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,390.15 : 270,351.02 = 73,649.16 : x
  2. Step 2: Convert to fraction form
    180,390.15/270,351.02 = 73,649.16/x
  3. Step 3: Cross multiply
    180,390.15x = 270,351.02 × 73,649.16
  4. Step 4: Simplify right side
    180,390.15x = 19,911,125,159.90
  5. Step 5: Solve for x
    x = 19,911,125,159.90/180,390.15
  6. Step 6: Final answer
    x = 110,378.12

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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.