Home / 140,243.16-210,426.39-73,667.82

Finding the Fourth Proportional to 140,243.16, 210,426.39 and 73,667.82

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Solution

The fourth proportional to 140,243.16, 210,426.39 and 73,667.82 is: 110,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,243.16 : 210,426.39 = 73,667.82 : x
  2. Step 2: Convert to fraction form
    140,243.16/210,426.39 = 73,667.82/x
  3. Step 3: Cross multiply
    140,243.16x = 210,426.39 × 73,667.82
  4. Step 4: Simplify right side
    140,243.16x = 15,501,653,421.77
  5. Step 5: Solve for x
    x = 15,501,653,421.77/140,243.16
  6. Step 6: Final answer
    x = 110,534.11

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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.