Home / 130,265.71-179,769.87-72,904.58

Finding the Fourth Proportional to 130,265.71, 179,769.87 and 72,904.58

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Solution

The fourth proportional to 130,265.71, 179,769.87 and 72,904.58 is: 100,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,265.71 : 179,769.87 = 72,904.58 : x
  2. Step 2: Convert to fraction form
    130,265.71/179,769.87 = 72,904.58/x
  3. Step 3: Cross multiply
    130,265.71x = 179,769.87 × 72,904.58
  4. Step 4: Simplify right side
    130,265.71x = 13,106,046,869.00
  5. Step 5: Solve for x
    x = 13,106,046,869.00/130,265.71
  6. Step 6: Final answer
    x = 100,610.11

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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.