Home / 143,118.60-214,709.76-47,060.16

Finding the Fourth Proportional to 143,118.60, 214,709.76 and 47,060.16

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Solution

The fourth proportional to 143,118.60, 214,709.76 and 47,060.16 is: 70,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,118.60 : 214,709.76 = 47,060.16 : x
  2. Step 2: Convert to fraction form
    143,118.60/214,709.76 = 47,060.16/x
  3. Step 3: Cross multiply
    143,118.60x = 214,709.76 × 47,060.16
  4. Step 4: Simplify right side
    143,118.60x = 10,104,275,659.16
  5. Step 5: Solve for x
    x = 10,104,275,659.16/143,118.60
  6. Step 6: Final answer
    x = 70,600.72

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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.