Home / 102,714.01-141,731.20-57,386.34

Finding the Fourth Proportional to 102,714.01, 141,731.20 and 57,386.34

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Solution

The fourth proportional to 102,714.01, 141,731.20 and 57,386.34 is: 79,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,714.01 : 141,731.20 = 57,386.34 : x
  2. Step 2: Convert to fraction form
    102,714.01/141,731.20 = 57,386.34/x
  3. Step 3: Cross multiply
    102,714.01x = 141,731.20 × 57,386.34
  4. Step 4: Simplify right side
    102,714.01x = 8,133,434,903.54
  5. Step 5: Solve for x
    x = 8,133,434,903.54/102,714.01
  6. Step 6: Final answer
    x = 79,185.26

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1.5x scale

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.