Home / 210,962.52-291,127.79-115,468.38

Finding the Fourth Proportional to 210,962.52, 291,127.79 and 115,468.38

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Solution

The fourth proportional to 210,962.52, 291,127.79 and 115,468.38 is: 159,346.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,962.52 : 291,127.79 = 115,468.38 : x
  2. Step 2: Convert to fraction form
    210,962.52/291,127.79 = 115,468.38/x
  3. Step 3: Cross multiply
    210,962.52x = 291,127.79 × 115,468.38
  4. Step 4: Simplify right side
    210,962.52x = 33,616,053,706.94
  5. Step 5: Solve for x
    x = 33,616,053,706.94/210,962.52
  6. Step 6: Final answer
    x = 159,346.09

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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.