Home / 109,592.04-151,099.32-89,428.44

Finding the Fourth Proportional to 109,592.04, 151,099.32 and 89,428.44

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Solution

The fourth proportional to 109,592.04, 151,099.32 and 89,428.44 is: 123,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,592.04 : 151,099.32 = 89,428.44 : x
  2. Step 2: Convert to fraction form
    109,592.04/151,099.32 = 89,428.44/x
  3. Step 3: Cross multiply
    109,592.04x = 151,099.32 × 89,428.44
  4. Step 4: Simplify right side
    109,592.04x = 13,512,576,472.66
  5. Step 5: Solve for x
    x = 13,512,576,472.66/109,592.04
  6. Step 6: Final answer
    x = 123,298.89

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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.