Home / 313,078.13-432,048.66-169,838.18

Finding the Fourth Proportional to 313,078.13, 432,048.66 and 169,838.18

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Solution

The fourth proportional to 313,078.13, 432,048.66 and 169,838.18 is: 234,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,078.13 : 432,048.66 = 169,838.18 : x
  2. Step 2: Convert to fraction form
    313,078.13/432,048.66 = 169,838.18/x
  3. Step 3: Cross multiply
    313,078.13x = 432,048.66 × 169,838.18
  4. Step 4: Simplify right side
    313,078.13x = 73,378,356,089.71
  5. Step 5: Solve for x
    x = 73,378,356,089.71/313,078.13
  6. Step 6: Final answer
    x = 234,377.14

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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.