Home / 142,878.76-214,241.60-48,077.44

Finding the Fourth Proportional to 142,878.76, 214,241.60 and 48,077.44

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Solution

The fourth proportional to 142,878.76, 214,241.60 and 48,077.44 is: 72,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,878.76 : 214,241.60 = 48,077.44 : x
  2. Step 2: Convert to fraction form
    142,878.76/214,241.60 = 48,077.44/x
  3. Step 3: Cross multiply
    142,878.76x = 214,241.60 × 48,077.44
  4. Step 4: Simplify right side
    142,878.76x = 10,300,186,614.77
  5. Step 5: Solve for x
    x = 10,300,186,614.77/142,878.76
  6. Step 6: Final answer
    x = 72,090.40

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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.