Home / 115,653.90-159,692.85-88,753.80

Finding the Fourth Proportional to 115,653.90, 159,692.85 and 88,753.80

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Solution

The fourth proportional to 115,653.90, 159,692.85 and 88,753.80 is: 122,549.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,653.90 : 159,692.85 = 88,753.80 : x
  2. Step 2: Convert to fraction form
    115,653.90/159,692.85 = 88,753.80/x
  3. Step 3: Cross multiply
    115,653.90x = 159,692.85 × 88,753.80
  4. Step 4: Simplify right side
    115,653.90x = 14,173,347,270.33
  5. Step 5: Solve for x
    x = 14,173,347,270.33/115,653.90
  6. Step 6: Final answer
    x = 122,549.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.