Home / 250,165.04-345,221.06-142,733.12

Finding the Fourth Proportional to 250,165.04, 345,221.06 and 142,733.12

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Solution

The fourth proportional to 250,165.04, 345,221.06 and 142,733.12 is: 196,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,165.04 : 345,221.06 = 142,733.12 : x
  2. Step 2: Convert to fraction form
    250,165.04/345,221.06 = 142,733.12/x
  3. Step 3: Cross multiply
    250,165.04x = 345,221.06 × 142,733.12
  4. Step 4: Simplify right side
    250,165.04x = 49,274,478,983.51
  5. Step 5: Solve for x
    x = 49,274,478,983.51/250,165.04
  6. Step 6: Final answer
    x = 196,967.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.