Home / 313,134.90-432,127.89-169,895.22

Finding the Fourth Proportional to 313,134.90, 432,127.89 and 169,895.22

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Solution

The fourth proportional to 313,134.90, 432,127.89 and 169,895.22 is: 234,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,134.90 : 432,127.89 = 169,895.22 : x
  2. Step 2: Convert to fraction form
    313,134.90/432,127.89 = 169,895.22/x
  3. Step 3: Cross multiply
    313,134.90x = 432,127.89 × 169,895.22
  4. Step 4: Simplify right side
    313,134.90x = 73,416,462,939.69
  5. Step 5: Solve for x
    x = 73,416,462,939.69/313,134.90
  6. Step 6: Final answer
    x = 234,456.34

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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.