Home / 217,316.25-299,897.52-126,735.03

Finding the Fourth Proportional to 217,316.25, 299,897.52 and 126,735.03

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Solution

The fourth proportional to 217,316.25, 299,897.52 and 126,735.03 is: 174,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,316.25 : 299,897.52 = 126,735.03 : x
  2. Step 2: Convert to fraction form
    217,316.25/299,897.52 = 126,735.03/x
  3. Step 3: Cross multiply
    217,316.25x = 299,897.52 × 126,735.03
  4. Step 4: Simplify right side
    217,316.25x = 38,007,521,194.13
  5. Step 5: Solve for x
    x = 38,007,521,194.13/217,316.25
  6. Step 6: Final answer
    x = 174,894.98

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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.