Home / 143,464.60-214,937.70-126,875.80

Finding the Fourth Proportional to 143,464.60, 214,937.70 and 126,875.80

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Solution

The fourth proportional to 143,464.60, 214,937.70 and 126,875.80 is: 190,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,464.60 : 214,937.70 = 126,875.80 : x
  2. Step 2: Convert to fraction form
    143,464.60/214,937.70 = 126,875.80/x
  3. Step 3: Cross multiply
    143,464.60x = 214,937.70 × 126,875.80
  4. Step 4: Simplify right side
    143,464.60x = 27,270,392,637.66
  5. Step 5: Solve for x
    x = 27,270,392,637.66/143,464.60
  6. Step 6: Final answer
    x = 190,084.47

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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.