Home / 140,301.46-210,479.64-51,555.70

Finding the Fourth Proportional to 140,301.46, 210,479.64 and 51,555.70

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Solution

The fourth proportional to 140,301.46, 210,479.64 and 51,555.70 is: 77,343.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,301.46 : 210,479.64 = 51,555.70 : x
  2. Step 2: Convert to fraction form
    140,301.46/210,479.64 = 51,555.70/x
  3. Step 3: Cross multiply
    140,301.46x = 210,479.64 × 51,555.70
  4. Step 4: Simplify right side
    140,301.46x = 10,851,425,175.95
  5. Step 5: Solve for x
    x = 10,851,425,175.95/140,301.46
  6. Step 6: Final answer
    x = 77,343.64

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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.