Home / 88,877.40-133,316.10-74,880.60

Finding the Fourth Proportional to 88,877.40, 133,316.10 and 74,880.60

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Solution

The fourth proportional to 88,877.40, 133,316.10 and 74,880.60 is: 112,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,877.40 : 133,316.10 = 74,880.60 : x
  2. Step 2: Convert to fraction form
    88,877.40/133,316.10 = 74,880.60/x
  3. Step 3: Cross multiply
    88,877.40x = 133,316.10 × 74,880.60
  4. Step 4: Simplify right side
    88,877.40x = 9,982,789,557.66
  5. Step 5: Solve for x
    x = 9,982,789,557.66/88,877.40
  6. Step 6: Final answer
    x = 112,320.90

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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.