Home / 126,521.04-189,633.36-51,594.40

Finding the Fourth Proportional to 126,521.04, 189,633.36 and 51,594.40

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Solution

The fourth proportional to 126,521.04, 189,633.36 and 51,594.40 is: 77,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,521.04 : 189,633.36 = 51,594.40 : x
  2. Step 2: Convert to fraction form
    126,521.04/189,633.36 = 51,594.40/x
  3. Step 3: Cross multiply
    126,521.04x = 189,633.36 × 51,594.40
  4. Step 4: Simplify right side
    126,521.04x = 9,784,019,429.18
  5. Step 5: Solve for x
    x = 9,784,019,429.18/126,521.04
  6. Step 6: Final answer
    x = 77,331.17

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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.