Home / 142,777.80-214,170.12-48,009.20

Finding the Fourth Proportional to 142,777.80, 214,170.12 and 48,009.20

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Solution

The fourth proportional to 142,777.80, 214,170.12 and 48,009.20 is: 72,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,777.80 : 214,170.12 = 48,009.20 : x
  2. Step 2: Convert to fraction form
    142,777.80/214,170.12 = 48,009.20/x
  3. Step 3: Cross multiply
    142,777.80x = 214,170.12 × 48,009.20
  4. Step 4: Simplify right side
    142,777.80x = 10,282,136,125.10
  5. Step 5: Solve for x
    x = 10,282,136,125.10/142,777.80
  6. Step 6: Final answer
    x = 72,014.95

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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.