Home / 140,170.23-210,288.87-45,400.50

Finding the Fourth Proportional to 140,170.23, 210,288.87 and 45,400.50

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Solution

The fourth proportional to 140,170.23, 210,288.87 and 45,400.50 is: 68,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,170.23 : 210,288.87 = 45,400.50 : x
  2. Step 2: Convert to fraction form
    140,170.23/210,288.87 = 45,400.50/x
  3. Step 3: Cross multiply
    140,170.23x = 210,288.87 × 45,400.50
  4. Step 4: Simplify right side
    140,170.23x = 9,547,219,842.44
  5. Step 5: Solve for x
    x = 9,547,219,842.44/140,170.23
  6. Step 6: Final answer
    x = 68,111.61

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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.