Home / 90,541.81-135,946.02-50,638.97

Finding the Fourth Proportional to 90,541.81, 135,946.02 and 50,638.97

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Solution

The fourth proportional to 90,541.81, 135,946.02 and 50,638.97 is: 76,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541.81 : 135,946.02 = 50,638.97 : x
  2. Step 2: Convert to fraction form
    90,541.81/135,946.02 = 50,638.97/x
  3. Step 3: Cross multiply
    90,541.81x = 135,946.02 × 50,638.97
  4. Step 4: Simplify right side
    90,541.81x = 6,884,165,748.67
  5. Step 5: Solve for x
    x = 6,884,165,748.67/90,541.81
  6. Step 6: Final answer
    x = 76,033.01

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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.