Home / 140,148.23-210,097.35-51,381.05

Finding the Fourth Proportional to 140,148.23, 210,097.35 and 51,381.05

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Solution

The fourth proportional to 140,148.23, 210,097.35 and 51,381.05 is: 77,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,148.23 : 210,097.35 = 51,381.05 : x
  2. Step 2: Convert to fraction form
    140,148.23/210,097.35 = 51,381.05/x
  3. Step 3: Cross multiply
    140,148.23x = 210,097.35 × 51,381.05
  4. Step 4: Simplify right side
    140,148.23x = 10,795,021,394.73
  5. Step 5: Solve for x
    x = 10,795,021,394.73/140,148.23
  6. Step 6: Final answer
    x = 77,025.74

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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.