Home / 140,345.67-193,674.75-76,682.10

Finding the Fourth Proportional to 140,345.67, 193,674.75 and 76,682.10

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Solution

The fourth proportional to 140,345.67, 193,674.75 and 76,682.10 is: 105,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,345.67 : 193,674.75 = 76,682.10 : x
  2. Step 2: Convert to fraction form
    140,345.67/193,674.75 = 76,682.10/x
  3. Step 3: Cross multiply
    140,345.67x = 193,674.75 × 76,682.10
  4. Step 4: Simplify right side
    140,345.67x = 14,851,386,546.98
  5. Step 5: Solve for x
    x = 14,851,386,546.98/140,345.67
  6. Step 6: Final answer
    x = 105,820.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.