Home / 212,311.10-292,988.26-116,817.36

Finding the Fourth Proportional to 212,311.10, 292,988.26 and 116,817.36

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Solution

The fourth proportional to 212,311.10, 292,988.26 and 116,817.36 is: 161,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,311.10 : 292,988.26 = 116,817.36 : x
  2. Step 2: Convert to fraction form
    212,311.10/292,988.26 = 116,817.36/x
  3. Step 3: Cross multiply
    212,311.10x = 292,988.26 × 116,817.36
  4. Step 4: Simplify right side
    212,311.10x = 34,226,115,044.19
  5. Step 5: Solve for x
    x = 34,226,115,044.19/212,311.10
  6. Step 6: Final answer
    x = 161,207.37

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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.