Home / 217,162.13-299,696.04-121,699.58

Finding the Fourth Proportional to 217,162.13, 299,696.04 and 121,699.58

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Solution

The fourth proportional to 217,162.13, 299,696.04 and 121,699.58 is: 167,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,162.13 : 299,696.04 = 121,699.58 : x
  2. Step 2: Convert to fraction form
    217,162.13/299,696.04 = 121,699.58/x
  3. Step 3: Cross multiply
    217,162.13x = 299,696.04 × 121,699.58
  4. Step 4: Simplify right side
    217,162.13x = 36,472,880,697.18
  5. Step 5: Solve for x
    x = 36,472,880,697.18/217,162.13
  6. Step 6: Final answer
    x = 167,952.31

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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.