Home / 101,148.48-139,475.52-68,904

Finding the Fourth Proportional to 101,148.48, 139,475.52 and 68,904

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Solution

The fourth proportional to 101,148.48, 139,475.52 and 68,904 is: 95,013.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,148.48 : 139,475.52 = 68,904 : x
  2. Step 2: Convert to fraction form
    101,148.48/139,475.52 = 68,904/x
  3. Step 3: Cross multiply
    101,148.48x = 139,475.52 × 68,904
  4. Step 4: Simplify right side
    101,148.48x = 9,610,421,230.08
  5. Step 5: Solve for x
    x = 9,610,421,230.08/101,148.48
  6. Step 6: Final answer
    x = 95,013.01

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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.