Home / 173,439.19-260,178.75-66,798.28

Finding the Fourth Proportional to 173,439.19, 260,178.75 and 66,798.28

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Solution

The fourth proportional to 173,439.19, 260,178.75 and 66,798.28 is: 100,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,439.19 : 260,178.75 = 66,798.28 : x
  2. Step 2: Convert to fraction form
    173,439.19/260,178.75 = 66,798.28/x
  3. Step 3: Cross multiply
    173,439.19x = 260,178.75 × 66,798.28
  4. Step 4: Simplify right side
    173,439.19x = 17,379,492,992.55
  5. Step 5: Solve for x
    x = 17,379,492,992.55/173,439.19
  6. Step 6: Final answer
    x = 100,205.11

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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.