Home / 250,942.36-346,301.04-137,772.40

Finding the Fourth Proportional to 250,942.36, 346,301.04 and 137,772.40

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Solution

The fourth proportional to 250,942.36, 346,301.04 and 137,772.40 is: 190,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,942.36 : 346,301.04 = 137,772.40 : x
  2. Step 2: Convert to fraction form
    250,942.36/346,301.04 = 137,772.40/x
  3. Step 3: Cross multiply
    250,942.36x = 346,301.04 × 137,772.40
  4. Step 4: Simplify right side
    250,942.36x = 47,710,725,403.30
  5. Step 5: Solve for x
    x = 47,710,725,403.30/250,942.36
  6. Step 6: Final answer
    x = 190,126.23

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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.