Home / 127,482.24-191,287.62-90,281.40

Finding the Fourth Proportional to 127,482.24, 191,287.62 and 90,281.40

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Solution

The fourth proportional to 127,482.24, 191,287.62 and 90,281.40 is: 135,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,482.24 : 191,287.62 = 90,281.40 : x
  2. Step 2: Convert to fraction form
    127,482.24/191,287.62 = 90,281.40/x
  3. Step 3: Cross multiply
    127,482.24x = 191,287.62 × 90,281.40
  4. Step 4: Simplify right side
    127,482.24x = 17,269,714,136.27
  5. Step 5: Solve for x
    x = 17,269,714,136.27/127,482.24
  6. Step 6: Final answer
    x = 135,467.61

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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.