Home / 201,566.07-302,447.52-126,721.47

Finding the Fourth Proportional to 201,566.07, 302,447.52 and 126,721.47

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Solution

The fourth proportional to 201,566.07, 302,447.52 and 126,721.47 is: 190,144.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,566.07 : 302,447.52 = 126,721.47 : x
  2. Step 2: Convert to fraction form
    201,566.07/302,447.52 = 126,721.47/x
  3. Step 3: Cross multiply
    201,566.07x = 302,447.52 × 126,721.47
  4. Step 4: Simplify right side
    201,566.07x = 38,326,594,332.25
  5. Step 5: Solve for x
    x = 38,326,594,332.25/201,566.07
  6. Step 6: Final answer
    x = 190,144.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.