Home / 90,201.42-135,262.13-48,073.65

Finding the Fourth Proportional to 90,201.42, 135,262.13 and 48,073.65

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Solution

The fourth proportional to 90,201.42, 135,262.13 and 48,073.65 is: 72,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,201.42 : 135,262.13 = 48,073.65 : x
  2. Step 2: Convert to fraction form
    90,201.42/135,262.13 = 48,073.65/x
  3. Step 3: Cross multiply
    90,201.42x = 135,262.13 × 48,073.65
  4. Step 4: Simplify right side
    90,201.42x = 6,502,544,055.51
  5. Step 5: Solve for x
    x = 6,502,544,055.51/90,201.42
  6. Step 6: Final answer
    x = 72,089.15

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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.