Home / 165,398.94-248,139.99-53,089.20

Finding the Fourth Proportional to 165,398.94, 248,139.99 and 53,089.20

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Solution

The fourth proportional to 165,398.94, 248,139.99 and 53,089.20 is: 79,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,398.94 : 248,139.99 = 53,089.20 : x
  2. Step 2: Convert to fraction form
    165,398.94/248,139.99 = 53,089.20/x
  3. Step 3: Cross multiply
    165,398.94x = 248,139.99 × 53,089.20
  4. Step 4: Simplify right side
    165,398.94x = 13,173,553,557.11
  5. Step 5: Solve for x
    x = 13,173,553,557.11/165,398.94
  6. Step 6: Final answer
    x = 79,647.15

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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.