Home / 90,238.32-135,435.24-62,555.76

Finding the Fourth Proportional to 90,238.32, 135,435.24 and 62,555.76

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Solution

The fourth proportional to 90,238.32, 135,435.24 and 62,555.76 is: 93,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,238.32 : 135,435.24 = 62,555.76 : x
  2. Step 2: Convert to fraction form
    90,238.32/135,435.24 = 62,555.76/x
  3. Step 3: Cross multiply
    90,238.32x = 135,435.24 × 62,555.76
  4. Step 4: Simplify right side
    90,238.32x = 8,472,254,368.98
  5. Step 5: Solve for x
    x = 8,472,254,368.98/90,238.32
  6. Step 6: Final answer
    x = 93,887.55

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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.