Home / 210,973.62-291,143.91-115,486.36

Finding the Fourth Proportional to 210,973.62, 291,143.91 and 115,486.36

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Solution

The fourth proportional to 210,973.62, 291,143.91 and 115,486.36 is: 159,371.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,973.62 : 291,143.91 = 115,486.36 : x
  2. Step 2: Convert to fraction form
    210,973.62/291,143.91 = 115,486.36/x
  3. Step 3: Cross multiply
    210,973.62x = 291,143.91 × 115,486.36
  4. Step 4: Simplify right side
    210,973.62x = 33,623,150,402.07
  5. Step 5: Solve for x
    x = 33,623,150,402.07/210,973.62
  6. Step 6: Final answer
    x = 159,371.35

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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.