Home / 89,518.70-134,270.48-42,122.64

Finding the Fourth Proportional to 89,518.70, 134,270.48 and 42,122.64

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Solution

The fourth proportional to 89,518.70, 134,270.48 and 42,122.64 is: 63,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,518.70 : 134,270.48 = 42,122.64 : x
  2. Step 2: Convert to fraction form
    89,518.70/134,270.48 = 42,122.64/x
  3. Step 3: Cross multiply
    89,518.70x = 134,270.48 × 42,122.64
  4. Step 4: Simplify right side
    89,518.70x = 5,655,827,091.67
  5. Step 5: Solve for x
    x = 5,655,827,091.67/89,518.70
  6. Step 6: Final answer
    x = 63,180.40

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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.