Home / 90,689.36-136,034.36-27,510.03

Finding the Fourth Proportional to 90,689.36, 136,034.36 and 27,510.03

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Solution

The fourth proportional to 90,689.36, 136,034.36 and 27,510.03 is: 41,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,689.36 : 136,034.36 = 27,510.03 : x
  2. Step 2: Convert to fraction form
    90,689.36/136,034.36 = 27,510.03/x
  3. Step 3: Cross multiply
    90,689.36x = 136,034.36 × 27,510.03
  4. Step 4: Simplify right side
    90,689.36x = 3,742,309,324.63
  5. Step 5: Solve for x
    x = 3,742,309,324.63/90,689.36
  6. Step 6: Final answer
    x = 41,265.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.