Home / 89,308.04-133,868.52-30,123.32

Finding the Fourth Proportional to 89,308.04, 133,868.52 and 30,123.32

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Solution

The fourth proportional to 89,308.04, 133,868.52 and 30,123.32 is: 45,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,308.04 : 133,868.52 = 30,123.32 : x
  2. Step 2: Convert to fraction form
    89,308.04/133,868.52 = 30,123.32/x
  3. Step 3: Cross multiply
    89,308.04x = 133,868.52 × 30,123.32
  4. Step 4: Simplify right side
    89,308.04x = 4,032,564,265.89
  5. Step 5: Solve for x
    x = 4,032,564,265.89/89,308.04
  6. Step 6: Final answer
    x = 45,153.43

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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.