Home / 104,667.65-144,367.06-64,328.43

Finding the Fourth Proportional to 104,667.65, 144,367.06 and 64,328.43

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Solution

The fourth proportional to 104,667.65, 144,367.06 and 64,328.43 is: 88,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,667.65 : 144,367.06 = 64,328.43 : x
  2. Step 2: Convert to fraction form
    104,667.65/144,367.06 = 64,328.43/x
  3. Step 3: Cross multiply
    104,667.65x = 144,367.06 × 64,328.43
  4. Step 4: Simplify right side
    104,667.65x = 9,286,906,313.52
  5. Step 5: Solve for x
    x = 9,286,906,313.52/104,667.65
  6. Step 6: Final answer
    x = 88,727.57

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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.