Home / 126,410.11-189,643.45-47,525.02

Finding the Fourth Proportional to 126,410.11, 189,643.45 and 47,525.02

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Solution

The fourth proportional to 126,410.11, 189,643.45 and 47,525.02 is: 71,298.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,410.11 : 189,643.45 = 47,525.02 : x
  2. Step 2: Convert to fraction form
    126,410.11/189,643.45 = 47,525.02/x
  3. Step 3: Cross multiply
    126,410.11x = 189,643.45 × 47,525.02
  4. Step 4: Simplify right side
    126,410.11x = 9,012,808,160.91
  5. Step 5: Solve for x
    x = 9,012,808,160.91/126,410.11
  6. Step 6: Final answer
    x = 71,298.16

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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.