Home / 90,254.77-135,397.52-45,297.56

Finding the Fourth Proportional to 90,254.77, 135,397.52 and 45,297.56

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Solution

The fourth proportional to 90,254.77, 135,397.52 and 45,297.56 is: 67,954.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254.77 : 135,397.52 = 45,297.56 : x
  2. Step 2: Convert to fraction form
    90,254.77/135,397.52 = 45,297.56/x
  3. Step 3: Cross multiply
    90,254.77x = 135,397.52 × 45,297.56
  4. Step 4: Simplify right side
    90,254.77x = 6,133,177,737.79
  5. Step 5: Solve for x
    x = 6,133,177,737.79/90,254.77
  6. Step 6: Final answer
    x = 67,954.06

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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.