Home / 250,165.59-345,228.66-136,988.34

Finding the Fourth Proportional to 250,165.59, 345,228.66 and 136,988.34

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Solution

The fourth proportional to 250,165.59, 345,228.66 and 136,988.34 is: 189,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,165.59 : 345,228.66 = 136,988.34 : x
  2. Step 2: Convert to fraction form
    250,165.59/345,228.66 = 136,988.34/x
  3. Step 3: Cross multiply
    250,165.59x = 345,228.66 × 136,988.34
  4. Step 4: Simplify right side
    250,165.59x = 47,292,301,053.82
  5. Step 5: Solve for x
    x = 47,292,301,053.82/250,165.59
  6. Step 6: Final answer
    x = 189,043.99

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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.