Home / 262,091.08-392,495.10-121,889.80

Finding the Fourth Proportional to 262,091.08, 392,495.10 and 121,889.80

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Solution

The fourth proportional to 262,091.08, 392,495.10 and 121,889.80 is: 182,536.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,091.08 : 392,495.10 = 121,889.80 : x
  2. Step 2: Convert to fraction form
    262,091.08/392,495.10 = 121,889.80/x
  3. Step 3: Cross multiply
    262,091.08x = 392,495.10 × 121,889.80
  4. Step 4: Simplify right side
    262,091.08x = 47,841,149,239.98
  5. Step 5: Solve for x
    x = 47,841,149,239.98/262,091.08
  6. Step 6: Final answer
    x = 182,536.35

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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.