Home / 171,456.17-257,090.29-53,094.65

Finding the Fourth Proportional to 171,456.17, 257,090.29 and 53,094.65

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Solution

The fourth proportional to 171,456.17, 257,090.29 and 53,094.65 is: 79,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,456.17 : 257,090.29 = 53,094.65 : x
  2. Step 2: Convert to fraction form
    171,456.17/257,090.29 = 53,094.65/x
  3. Step 3: Cross multiply
    171,456.17x = 257,090.29 × 53,094.65
  4. Step 4: Simplify right side
    171,456.17x = 13,650,117,415.02
  5. Step 5: Solve for x
    x = 13,650,117,415.02/171,456.17
  6. Step 6: Final answer
    x = 79,612.87

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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.