Home / 163,939.95-245,842.09-57,301.43

Finding the Fourth Proportional to 163,939.95, 245,842.09 and 57,301.43

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Solution

The fourth proportional to 163,939.95, 245,842.09 and 57,301.43 is: 85,928.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,939.95 : 245,842.09 = 57,301.43 : x
  2. Step 2: Convert to fraction form
    163,939.95/245,842.09 = 57,301.43/x
  3. Step 3: Cross multiply
    163,939.95x = 245,842.09 × 57,301.43
  4. Step 4: Simplify right side
    163,939.95x = 14,087,101,938.72
  5. Step 5: Solve for x
    x = 14,087,101,938.72/163,939.95
  6. Step 6: Final answer
    x = 85,928.43

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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.