Home / 140,189.39-210,127.34-73,636.55

Finding the Fourth Proportional to 140,189.39, 210,127.34 and 73,636.55

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Solution

The fourth proportional to 140,189.39, 210,127.34 and 73,636.55 is: 110,372.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,189.39 : 210,127.34 = 73,636.55 : x
  2. Step 2: Convert to fraction form
    140,189.39/210,127.34 = 73,636.55/x
  3. Step 3: Cross multiply
    140,189.39x = 210,127.34 × 73,636.55
  4. Step 4: Simplify right side
    140,189.39x = 15,473,050,959.46
  5. Step 5: Solve for x
    x = 15,473,050,959.46/140,189.39
  6. Step 6: Final answer
    x = 110,372.49

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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.