Home / 126,345.53-189,507.35-51,473.58

Finding the Fourth Proportional to 126,345.53, 189,507.35 and 51,473.58

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Solution

The fourth proportional to 126,345.53, 189,507.35 and 51,473.58 is: 77,205.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345.53 : 189,507.35 = 51,473.58 : x
  2. Step 2: Convert to fraction form
    126,345.53/189,507.35 = 51,473.58/x
  3. Step 3: Cross multiply
    126,345.53x = 189,507.35 × 51,473.58
  4. Step 4: Simplify right side
    126,345.53x = 9,754,621,483.45
  5. Step 5: Solve for x
    x = 9,754,621,483.45/126,345.53
  6. Step 6: Final answer
    x = 77,205.91

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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.