Home / 282,487.92-423,675.96-140,184.72

Finding the Fourth Proportional to 282,487.92, 423,675.96 and 140,184.72

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Solution

The fourth proportional to 282,487.92, 423,675.96 and 140,184.72 is: 210,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,487.92 : 423,675.96 = 140,184.72 : x
  2. Step 2: Convert to fraction form
    282,487.92/423,675.96 = 140,184.72/x
  3. Step 3: Cross multiply
    282,487.92x = 423,675.96 × 140,184.72
  4. Step 4: Simplify right side
    282,487.92x = 59,392,895,823.33
  5. Step 5: Solve for x
    x = 59,392,895,823.33/282,487.92
  6. Step 6: Final answer
    x = 210,249.33

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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.