Home / 142,859.02-214,247.22-48,078.76

Finding the Fourth Proportional to 142,859.02, 214,247.22 and 48,078.76

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Solution

The fourth proportional to 142,859.02, 214,247.22 and 48,078.76 is: 72,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,859.02 : 214,247.22 = 48,078.76 : x
  2. Step 2: Convert to fraction form
    142,859.02/214,247.22 = 48,078.76/x
  3. Step 3: Cross multiply
    142,859.02x = 214,247.22 × 48,078.76
  4. Step 4: Simplify right side
    142,859.02x = 10,300,740,671.05
  5. Step 5: Solve for x
    x = 10,300,740,671.05/142,859.02
  6. Step 6: Final answer
    x = 72,104.24

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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.