Home / 88,915.10-133,372.65-73,555.10

Finding the Fourth Proportional to 88,915.10, 133,372.65 and 73,555.10

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Solution

The fourth proportional to 88,915.10, 133,372.65 and 73,555.10 is: 110,332.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.10 : 133,372.65 = 73,555.10 : x
  2. Step 2: Convert to fraction form
    88,915.10/133,372.65 = 73,555.10/x
  3. Step 3: Cross multiply
    88,915.10x = 133,372.65 × 73,555.10
  4. Step 4: Simplify right side
    88,915.10x = 9,810,238,608.02
  5. Step 5: Solve for x
    x = 9,810,238,608.02/88,915.10
  6. Step 6: Final answer
    x = 110,332.65

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1.5x scale

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.