Home / 147,674.78-203,779.02-83,149.91

Finding the Fourth Proportional to 147,674.78, 203,779.02 and 83,149.91

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Solution

The fourth proportional to 147,674.78, 203,779.02 and 83,149.91 is: 114,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,674.78 : 203,779.02 = 83,149.91 : x
  2. Step 2: Convert to fraction form
    147,674.78/203,779.02 = 83,149.91/x
  3. Step 3: Cross multiply
    147,674.78x = 203,779.02 × 83,149.91
  4. Step 4: Simplify right side
    147,674.78x = 16,944,207,484.43
  5. Step 5: Solve for x
    x = 16,944,207,484.43/147,674.78
  6. Step 6: Final answer
    x = 114,740.02

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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.