Home / 113,967.70-157,275.03-62,979.01

Finding the Fourth Proportional to 113,967.70, 157,275.03 and 62,979.01

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Solution

The fourth proportional to 113,967.70, 157,275.03 and 62,979.01 is: 86,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,967.70 : 157,275.03 = 62,979.01 : x
  2. Step 2: Convert to fraction form
    113,967.70/157,275.03 = 62,979.01/x
  3. Step 3: Cross multiply
    113,967.70x = 157,275.03 × 62,979.01
  4. Step 4: Simplify right side
    113,967.70x = 9,905,025,530.10
  5. Step 5: Solve for x
    x = 9,905,025,530.10/113,967.70
  6. Step 6: Final answer
    x = 86,910.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.