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Finding the Fourth Proportional to 180,151.90, 248,609.59 and 98,480.46

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Solution

The fourth proportional to 180,151.90, 248,609.59 and 98,480.46 is: 135,903.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,151.90 : 248,609.59 = 98,480.46 : x
  2. Step 2: Convert to fraction form
    180,151.90/248,609.59 = 98,480.46/x
  3. Step 3: Cross multiply
    180,151.90x = 248,609.59 × 98,480.46
  4. Step 4: Simplify right side
    180,151.90x = 24,483,186,783.61
  5. Step 5: Solve for x
    x = 24,483,186,783.61/180,151.90
  6. Step 6: Final answer
    x = 135,903.02

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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.