Home / 180,196.40-270,429.24-67,987.28

Finding the Fourth Proportional to 180,196.40, 270,429.24 and 67,987.28

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Solution

The fourth proportional to 180,196.40, 270,429.24 and 67,987.28 is: 102,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,196.40 : 270,429.24 = 67,987.28 : x
  2. Step 2: Convert to fraction form
    180,196.40/270,429.24 = 67,987.28/x
  3. Step 3: Cross multiply
    180,196.40x = 270,429.24 × 67,987.28
  4. Step 4: Simplify right side
    180,196.40x = 18,385,748,460.07
  5. Step 5: Solve for x
    x = 18,385,748,460.07/180,196.40
  6. Step 6: Final answer
    x = 102,031.72

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1.5x scale

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.