Home / 90,689.49-136,034.55-27,510.16

Finding the Fourth Proportional to 90,689.49, 136,034.55 and 27,510.16

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Solution

The fourth proportional to 90,689.49, 136,034.55 and 27,510.16 is: 41,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,689.49 : 136,034.55 = 27,510.16 : x
  2. Step 2: Convert to fraction form
    90,689.49/136,034.55 = 27,510.16/x
  3. Step 3: Cross multiply
    90,689.49x = 136,034.55 × 27,510.16
  4. Step 4: Simplify right side
    90,689.49x = 3,742,331,895.94
  5. Step 5: Solve for x
    x = 3,742,331,895.94/90,689.49
  6. Step 6: Final answer
    x = 41,265.33

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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.