Home / 109,532.64-151,178.46-69,220.68

Finding the Fourth Proportional to 109,532.64, 151,178.46 and 69,220.68

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Solution

The fourth proportional to 109,532.64, 151,178.46 and 69,220.68 is: 95,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,532.64 : 151,178.46 = 69,220.68 : x
  2. Step 2: Convert to fraction form
    109,532.64/151,178.46 = 69,220.68/x
  3. Step 3: Cross multiply
    109,532.64x = 151,178.46 × 69,220.68
  4. Step 4: Simplify right side
    109,532.64x = 10,464,675,802.55
  5. Step 5: Solve for x
    x = 10,464,675,802.55/109,532.64
  6. Step 6: Final answer
    x = 95,539.34

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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.