Home / 142,878.15-214,317.19-48,100.38

Finding the Fourth Proportional to 142,878.15, 214,317.19 and 48,100.38

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Solution

The fourth proportional to 142,878.15, 214,317.19 and 48,100.38 is: 72,150.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878.15 : 214,317.19 = 48,100.38 : x
  2. Step 2: Convert to fraction form
    142,878.15/214,317.19 = 48,100.38/x
  3. Step 3: Cross multiply
    142,878.15x = 214,317.19 × 48,100.38
  4. Step 4: Simplify right side
    142,878.15x = 10,308,738,279.53
  5. Step 5: Solve for x
    x = 10,308,738,279.53/142,878.15
  6. Step 6: Final answer
    x = 72,150.56

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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.