Home / 122,238.10-183,434.10-52,116.40

Finding the Fourth Proportional to 122,238.10, 183,434.10 and 52,116.40

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Solution

The fourth proportional to 122,238.10, 183,434.10 and 52,116.40 is: 78,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238.10 : 183,434.10 = 52,116.40 : x
  2. Step 2: Convert to fraction form
    122,238.10/183,434.10 = 52,116.40/x
  3. Step 3: Cross multiply
    122,238.10x = 183,434.10 × 52,116.40
  4. Step 4: Simplify right side
    122,238.10x = 9,559,924,929.24
  5. Step 5: Solve for x
    x = 9,559,924,929.24/122,238.10
  6. Step 6: Final answer
    x = 78,207.41

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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.