Home / 142,424.48-213,683.40-58,255.43

Finding the Fourth Proportional to 142,424.48, 213,683.40 and 58,255.43

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Solution

The fourth proportional to 142,424.48, 213,683.40 and 58,255.43 is: 87,402.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,424.48 : 213,683.40 = 58,255.43 : x
  2. Step 2: Convert to fraction form
    142,424.48/213,683.40 = 58,255.43/x
  3. Step 3: Cross multiply
    142,424.48x = 213,683.40 × 58,255.43
  4. Step 4: Simplify right side
    142,424.48x = 12,448,217,282.45
  5. Step 5: Solve for x
    x = 12,448,217,282.45/142,424.48
  6. Step 6: Final answer
    x = 87,402.23

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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.