Home / 90,957.42-136,450.71-38,374.65

Finding the Fourth Proportional to 90,957.42, 136,450.71 and 38,374.65

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Solution

The fourth proportional to 90,957.42, 136,450.71 and 38,374.65 is: 57,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,957.42 : 136,450.71 = 38,374.65 : x
  2. Step 2: Convert to fraction form
    90,957.42/136,450.71 = 38,374.65/x
  3. Step 3: Cross multiply
    90,957.42x = 136,450.71 × 38,374.65
  4. Step 4: Simplify right side
    90,957.42x = 5,236,248,238.50
  5. Step 5: Solve for x
    x = 5,236,248,238.50/90,957.42
  6. Step 6: Final answer
    x = 57,568.13

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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.