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Finding the Fourth Proportional to 140,062.70, 210,094.06 and 51,280.22

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Solution

The fourth proportional to 140,062.70, 210,094.06 and 51,280.22 is: 76,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,062.70 : 210,094.06 = 51,280.22 : x
  2. Step 2: Convert to fraction form
    140,062.70/210,094.06 = 51,280.22/x
  3. Step 3: Cross multiply
    140,062.70x = 210,094.06 × 51,280.22
  4. Step 4: Simplify right side
    140,062.70x = 10,773,669,617.49
  5. Step 5: Solve for x
    x = 10,773,669,617.49/140,062.70
  6. Step 6: Final answer
    x = 76,920.33

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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.