Home / 210,848.75-291,097.82-130,384.16

Finding the Fourth Proportional to 210,848.75, 291,097.82 and 130,384.16

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Solution

The fourth proportional to 210,848.75, 291,097.82 and 130,384.16 is: 180,008.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,848.75 : 291,097.82 = 130,384.16 : x
  2. Step 2: Convert to fraction form
    210,848.75/291,097.82 = 130,384.16/x
  3. Step 3: Cross multiply
    210,848.75x = 291,097.82 × 130,384.16
  4. Step 4: Simplify right side
    210,848.75x = 37,954,543,609.00
  5. Step 5: Solve for x
    x = 37,954,543,609.00/210,848.75
  6. Step 6: Final answer
    x = 180,008.39

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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.