Home / 109,288.84-163,752.08-38,173.28

Finding the Fourth Proportional to 109,288.84, 163,752.08 and 38,173.28

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Solution

The fourth proportional to 109,288.84, 163,752.08 and 38,173.28 is: 57,196.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,288.84 : 163,752.08 = 38,173.28 : x
  2. Step 2: Convert to fraction form
    109,288.84/163,752.08 = 38,173.28/x
  3. Step 3: Cross multiply
    109,288.84x = 163,752.08 × 38,173.28
  4. Step 4: Simplify right side
    109,288.84x = 6,250,954,000.42
  5. Step 5: Solve for x
    x = 6,250,954,000.42/109,288.84
  6. Step 6: Final answer
    x = 57,196.64

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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.