Home / 140,427.48-210,620.46-51,660.22

Finding the Fourth Proportional to 140,427.48, 210,620.46 and 51,660.22

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Solution

The fourth proportional to 140,427.48, 210,620.46 and 51,660.22 is: 77,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,427.48 : 210,620.46 = 51,660.22 : x
  2. Step 2: Convert to fraction form
    140,427.48/210,620.46 = 51,660.22/x
  3. Step 3: Cross multiply
    140,427.48x = 210,620.46 × 51,660.22
  4. Step 4: Simplify right side
    140,427.48x = 10,880,699,300.10
  5. Step 5: Solve for x
    x = 10,880,699,300.10/140,427.48
  6. Step 6: Final answer
    x = 77,482.69

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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.