Home / 142,848.28-214,272.78-43,008.76

Finding the Fourth Proportional to 142,848.28, 214,272.78 and 43,008.76

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Solution

The fourth proportional to 142,848.28, 214,272.78 and 43,008.76 is: 64,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,848.28 : 214,272.78 = 43,008.76 : x
  2. Step 2: Convert to fraction form
    142,848.28/214,272.78 = 43,008.76/x
  3. Step 3: Cross multiply
    142,848.28x = 214,272.78 × 43,008.76
  4. Step 4: Simplify right side
    142,848.28x = 9,215,606,569.55
  5. Step 5: Solve for x
    x = 9,215,606,569.55/142,848.28
  6. Step 6: Final answer
    x = 64,513.25

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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.