Home / 142,827.81-214,269.73-52,871.31

Finding the Fourth Proportional to 142,827.81, 214,269.73 and 52,871.31

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Solution

The fourth proportional to 142,827.81, 214,269.73 and 52,871.31 is: 79,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,827.81 : 214,269.73 = 52,871.31 : x
  2. Step 2: Convert to fraction form
    142,827.81/214,269.73 = 52,871.31/x
  3. Step 3: Cross multiply
    142,827.81x = 214,269.73 × 52,871.31
  4. Step 4: Simplify right side
    142,827.81x = 11,328,721,318.45
  5. Step 5: Solve for x
    x = 11,328,721,318.45/142,827.81
  6. Step 6: Final answer
    x = 79,317.34

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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.