Home / 313,110.72-432,092.94-169,870.74

Finding the Fourth Proportional to 313,110.72, 432,092.94 and 169,870.74

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Solution

The fourth proportional to 313,110.72, 432,092.94 and 169,870.74 is: 234,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,110.72 : 432,092.94 = 169,870.74 : x
  2. Step 2: Convert to fraction form
    313,110.72/432,092.94 = 169,870.74/x
  3. Step 3: Cross multiply
    313,110.72x = 432,092.94 × 169,870.74
  4. Step 4: Simplify right side
    313,110.72x = 73,399,947,466.58
  5. Step 5: Solve for x
    x = 73,399,947,466.58/313,110.72
  6. Step 6: Final answer
    x = 234,421.70

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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.