Home / 109,904.01-151,675.68-61,510.78

Finding the Fourth Proportional to 109,904.01, 151,675.68 and 61,510.78

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Solution

The fourth proportional to 109,904.01, 151,675.68 and 61,510.78 is: 84,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,904.01 : 151,675.68 = 61,510.78 : x
  2. Step 2: Convert to fraction form
    109,904.01/151,675.68 = 61,510.78/x
  3. Step 3: Cross multiply
    109,904.01x = 151,675.68 × 61,510.78
  4. Step 4: Simplify right side
    109,904.01x = 9,329,689,383.83
  5. Step 5: Solve for x
    x = 9,329,689,383.83/109,904.01
  6. Step 6: Final answer
    x = 84,889.44

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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.