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Finding the Fourth Proportional to 146,384.01, 202,009.95 and 79,316.01

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Solution

The fourth proportional to 146,384.01, 202,009.95 and 79,316.01 is: 109,456.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,384.01 : 202,009.95 = 79,316.01 : x
  2. Step 2: Convert to fraction form
    146,384.01/202,009.95 = 79,316.01/x
  3. Step 3: Cross multiply
    146,384.01x = 202,009.95 × 79,316.01
  4. Step 4: Simplify right side
    146,384.01x = 16,022,623,214.30
  5. Step 5: Solve for x
    x = 16,022,623,214.30/146,384.01
  6. Step 6: Final answer
    x = 109,456.10

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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.