Home / 248,128.24-342,495.02-140,769.62

Finding the Fourth Proportional to 248,128.24, 342,495.02 and 140,769.62

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Solution

The fourth proportional to 248,128.24, 342,495.02 and 140,769.62 is: 194,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,128.24 : 342,495.02 = 140,769.62 : x
  2. Step 2: Convert to fraction form
    248,128.24/342,495.02 = 140,769.62/x
  3. Step 3: Cross multiply
    248,128.24x = 342,495.02 × 140,769.62
  4. Step 4: Simplify right side
    248,128.24x = 48,212,893,817.29
  5. Step 5: Solve for x
    x = 48,212,893,817.29/248,128.24
  6. Step 6: Final answer
    x = 194,306.35

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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.