Home / 251,946.49-347,686.14-138,769.24

Finding the Fourth Proportional to 251,946.49, 347,686.14 and 138,769.24

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Solution

The fourth proportional to 251,946.49, 347,686.14 and 138,769.24 is: 191,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,946.49 : 347,686.14 = 138,769.24 : x
  2. Step 2: Convert to fraction form
    251,946.49/347,686.14 = 138,769.24/x
  3. Step 3: Cross multiply
    251,946.49x = 347,686.14 × 138,769.24
  4. Step 4: Simplify right side
    251,946.49x = 48,248,139,147.52
  5. Step 5: Solve for x
    x = 48,248,139,147.52/251,946.49
  6. Step 6: Final answer
    x = 191,501.54

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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.