Home / 147,913.89-204,135.51-87,503.96

Finding the Fourth Proportional to 147,913.89, 204,135.51 and 87,503.96

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Solution

The fourth proportional to 147,913.89, 204,135.51 and 87,503.96 is: 120,763.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,913.89 : 204,135.51 = 87,503.96 : x
  2. Step 2: Convert to fraction form
    147,913.89/204,135.51 = 87,503.96/x
  3. Step 3: Cross multiply
    147,913.89x = 204,135.51 × 87,503.96
  4. Step 4: Simplify right side
    147,913.89x = 17,862,664,772.52
  5. Step 5: Solve for x
    x = 17,862,664,772.52/147,913.89
  6. Step 6: Final answer
    x = 120,763.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.