Home / 171,666.18-257,214.15-121,498.02

Finding the Fourth Proportional to 171,666.18, 257,214.15 and 121,498.02

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Solution

The fourth proportional to 171,666.18, 257,214.15 and 121,498.02 is: 182,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,666.18 : 257,214.15 = 121,498.02 : x
  2. Step 2: Convert to fraction form
    171,666.18/257,214.15 = 121,498.02/x
  3. Step 3: Cross multiply
    171,666.18x = 257,214.15 × 121,498.02
  4. Step 4: Simplify right side
    171,666.18x = 31,251,009,940.98
  5. Step 5: Solve for x
    x = 31,251,009,940.98/171,666.18
  6. Step 6: Final answer
    x = 182,045.23

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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.