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Finding the Fourth Proportional to 180,373.88, 248,909.94 and 99,801.56

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Solution

The fourth proportional to 180,373.88, 248,909.94 and 99,801.56 is: 137,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,373.88 : 248,909.94 = 99,801.56 : x
  2. Step 2: Convert to fraction form
    180,373.88/248,909.94 = 99,801.56/x
  3. Step 3: Cross multiply
    180,373.88x = 248,909.94 × 99,801.56
  4. Step 4: Simplify right side
    180,373.88x = 24,841,600,311.51
  5. Step 5: Solve for x
    x = 24,841,600,311.51/180,373.88
  6. Step 6: Final answer
    x = 137,722.83

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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.