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Finding the Fourth Proportional to 113,509.80, 170,264.70 and 95,795.10

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Solution

The fourth proportional to 113,509.80, 170,264.70 and 95,795.10 is: 143,692.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509.80 : 170,264.70 = 95,795.10 : x
  2. Step 2: Convert to fraction form
    113,509.80/170,264.70 = 95,795.10/x
  3. Step 3: Cross multiply
    113,509.80x = 170,264.70 × 95,795.10
  4. Step 4: Simplify right side
    113,509.80x = 16,310,523,962.97
  5. Step 5: Solve for x
    x = 16,310,523,962.97/113,509.80
  6. Step 6: Final answer
    x = 143,692.65

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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.