Home / 90,708.28-136,062.69-27,528.91

Finding the Fourth Proportional to 90,708.28, 136,062.69 and 27,528.91

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Solution

The fourth proportional to 90,708.28, 136,062.69 and 27,528.91 is: 41,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,708.28 : 136,062.69 = 27,528.91 : x
  2. Step 2: Convert to fraction form
    90,708.28/136,062.69 = 27,528.91/x
  3. Step 3: Cross multiply
    90,708.28x = 136,062.69 × 27,528.91
  4. Step 4: Simplify right side
    90,708.28x = 3,745,657,547.37
  5. Step 5: Solve for x
    x = 3,745,657,547.37/90,708.28
  6. Step 6: Final answer
    x = 41,293.45

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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.