Home / 119,289.48-164,624.04-65,578.92

Finding the Fourth Proportional to 119,289.48, 164,624.04 and 65,578.92

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Solution

The fourth proportional to 119,289.48, 164,624.04 and 65,578.92 is: 90,501.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,289.48 : 164,624.04 = 65,578.92 : x
  2. Step 2: Convert to fraction form
    119,289.48/164,624.04 = 65,578.92/x
  3. Step 3: Cross multiply
    119,289.48x = 164,624.04 × 65,578.92
  4. Step 4: Simplify right side
    119,289.48x = 10,795,866,749.24
  5. Step 5: Solve for x
    x = 10,795,866,749.24/119,289.48
  6. Step 6: Final answer
    x = 90,501.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.