Home / 217,063.48-299,533.80-121,569.34

Finding the Fourth Proportional to 217,063.48, 299,533.80 and 121,569.34

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Solution

The fourth proportional to 217,063.48, 299,533.80 and 121,569.34 is: 167,757.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,063.48 : 299,533.80 = 121,569.34 : x
  2. Step 2: Convert to fraction form
    217,063.48/299,533.80 = 121,569.34/x
  3. Step 3: Cross multiply
    217,063.48x = 299,533.80 × 121,569.34
  4. Step 4: Simplify right side
    217,063.48x = 36,414,126,373.69
  5. Step 5: Solve for x
    x = 36,414,126,373.69/217,063.48
  6. Step 6: Final answer
    x = 167,757.96

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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.