Home / 142,902.91-214,368.03-54,132.58

Finding the Fourth Proportional to 142,902.91, 214,368.03 and 54,132.58

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Solution

The fourth proportional to 142,902.91, 214,368.03 and 54,132.58 is: 81,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,902.91 : 214,368.03 = 54,132.58 : x
  2. Step 2: Convert to fraction form
    142,902.91/214,368.03 = 54,132.58/x
  3. Step 3: Cross multiply
    142,902.91x = 214,368.03 × 54,132.58
  4. Step 4: Simplify right side
    142,902.91x = 11,604,294,533.42
  5. Step 5: Solve for x
    x = 11,604,294,533.42/142,902.91
  6. Step 6: Final answer
    x = 81,204.05

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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.