Home / 119,660.48-179,430.78-67,055.84

Finding the Fourth Proportional to 119,660.48, 179,430.78 and 67,055.84

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Solution

The fourth proportional to 119,660.48, 179,430.78 and 67,055.84 is: 100,550.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,660.48 : 179,430.78 = 67,055.84 : x
  2. Step 2: Convert to fraction form
    119,660.48/179,430.78 = 67,055.84/x
  3. Step 3: Cross multiply
    119,660.48x = 179,430.78 × 67,055.84
  4. Step 4: Simplify right side
    119,660.48x = 12,031,881,674.76
  5. Step 5: Solve for x
    x = 12,031,881,674.76/119,660.48
  6. Step 6: Final answer
    x = 100,550.17

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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.