Home / 140,547.10-210,820.65-131,331.10

Finding the Fourth Proportional to 140,547.10, 210,820.65 and 131,331.10

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Solution

The fourth proportional to 140,547.10, 210,820.65 and 131,331.10 is: 196,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,547.10 : 210,820.65 = 131,331.10 : x
  2. Step 2: Convert to fraction form
    140,547.10/210,820.65 = 131,331.10/x
  3. Step 3: Cross multiply
    140,547.10x = 210,820.65 × 131,331.10
  4. Step 4: Simplify right side
    140,547.10x = 27,687,307,867.22
  5. Step 5: Solve for x
    x = 27,687,307,867.22/140,547.10
  6. Step 6: Final answer
    x = 196,996.65

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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.