Home / 126,355.04-189,521.58-51,483.08

Finding the Fourth Proportional to 126,355.04, 189,521.58 and 51,483.08

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Solution

The fourth proportional to 126,355.04, 189,521.58 and 51,483.08 is: 77,220.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,355.04 : 189,521.58 = 51,483.08 : x
  2. Step 2: Convert to fraction form
    126,355.04/189,521.58 = 51,483.08/x
  3. Step 3: Cross multiply
    126,355.04x = 189,521.58 × 51,483.08
  4. Step 4: Simplify right side
    126,355.04x = 9,757,154,664.87
  5. Step 5: Solve for x
    x = 9,757,154,664.87/126,355.04
  6. Step 6: Final answer
    x = 77,220.15

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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.