Home / 163,960.14-245,974.77-53,143.50

Finding the Fourth Proportional to 163,960.14, 245,974.77 and 53,143.50

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Solution

The fourth proportional to 163,960.14, 245,974.77 and 53,143.50 is: 79,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,960.14 : 245,974.77 = 53,143.50 : x
  2. Step 2: Convert to fraction form
    163,960.14/245,974.77 = 53,143.50/x
  3. Step 3: Cross multiply
    163,960.14x = 245,974.77 × 53,143.50
  4. Step 4: Simplify right side
    163,960.14x = 13,071,960,189.50
  5. Step 5: Solve for x
    x = 13,071,960,189.50/163,960.14
  6. Step 6: Final answer
    x = 79,726.45

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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.