Home / 97,087.28-133,980.42-54,646.04

Finding the Fourth Proportional to 97,087.28, 133,980.42 and 54,646.04

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Solution

The fourth proportional to 97,087.28, 133,980.42 and 54,646.04 is: 75,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,087.28 : 133,980.42 = 54,646.04 : x
  2. Step 2: Convert to fraction form
    97,087.28/133,980.42 = 54,646.04/x
  3. Step 3: Cross multiply
    97,087.28x = 133,980.42 × 54,646.04
  4. Step 4: Simplify right side
    97,087.28x = 7,321,499,390.54
  5. Step 5: Solve for x
    x = 7,321,499,390.54/97,087.28
  6. Step 6: Final answer
    x = 75,411.52

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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.