Home / 210,982.58-316,484.06-68,827.58

Finding the Fourth Proportional to 210,982.58, 316,484.06 and 68,827.58

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Solution

The fourth proportional to 210,982.58, 316,484.06 and 68,827.58 is: 103,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,982.58 : 316,484.06 = 68,827.58 : x
  2. Step 2: Convert to fraction form
    210,982.58/316,484.06 = 68,827.58/x
  3. Step 3: Cross multiply
    210,982.58x = 316,484.06 × 68,827.58
  4. Step 4: Simplify right side
    210,982.58x = 21,782,830,031.82
  5. Step 5: Solve for x
    x = 21,782,830,031.82/210,982.58
  6. Step 6: Final answer
    x = 103,244.69

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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.