Home / 88,938.18-133,407.27-42,165.54

Finding the Fourth Proportional to 88,938.18, 133,407.27 and 42,165.54

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Solution

The fourth proportional to 88,938.18, 133,407.27 and 42,165.54 is: 63,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.18 : 133,407.27 = 42,165.54 : x
  2. Step 2: Convert to fraction form
    88,938.18/133,407.27 = 42,165.54/x
  3. Step 3: Cross multiply
    88,938.18x = 133,407.27 × 42,165.54
  4. Step 4: Simplify right side
    88,938.18x = 5,625,189,579.48
  5. Step 5: Solve for x
    x = 5,625,189,579.48/88,938.18
  6. Step 6: Final answer
    x = 63,248.31

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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.