Home / 96,463.28-133,030.32-66,195.20

Finding the Fourth Proportional to 96,463.28, 133,030.32 and 66,195.20

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Solution

The fourth proportional to 96,463.28, 133,030.32 and 66,195.20 is: 91,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,463.28 : 133,030.32 = 66,195.20 : x
  2. Step 2: Convert to fraction form
    96,463.28/133,030.32 = 66,195.20/x
  3. Step 3: Cross multiply
    96,463.28x = 133,030.32 × 66,195.20
  4. Step 4: Simplify right side
    96,463.28x = 8,805,968,638.46
  5. Step 5: Solve for x
    x = 8,805,968,638.46/96,463.28
  6. Step 6: Final answer
    x = 91,288.30

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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.