Home / 109,444.78-151,020.93-61,695.28

Finding the Fourth Proportional to 109,444.78, 151,020.93 and 61,695.28

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Solution

The fourth proportional to 109,444.78, 151,020.93 and 61,695.28 is: 85,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,444.78 : 151,020.93 = 61,695.28 : x
  2. Step 2: Convert to fraction form
    109,444.78/151,020.93 = 61,695.28/x
  3. Step 3: Cross multiply
    109,444.78x = 151,020.93 × 61,695.28
  4. Step 4: Simplify right side
    109,444.78x = 9,317,277,807.11
  5. Step 5: Solve for x
    x = 9,317,277,807.11/109,444.78
  6. Step 6: Final answer
    x = 85,132.23

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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.