Home / 140,320.67-210,455.72-40,456.32

Finding the Fourth Proportional to 140,320.67, 210,455.72 and 40,456.32

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Solution

The fourth proportional to 140,320.67, 210,455.72 and 40,456.32 is: 60,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,320.67 : 210,455.72 = 40,456.32 : x
  2. Step 2: Convert to fraction form
    140,320.67/210,455.72 = 40,456.32/x
  3. Step 3: Cross multiply
    140,320.67x = 210,455.72 × 40,456.32
  4. Step 4: Simplify right side
    140,320.67x = 8,514,263,751.87
  5. Step 5: Solve for x
    x = 8,514,263,751.87/140,320.67
  6. Step 6: Final answer
    x = 60,677.19

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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.