Home / 250,975.48-346,346.70-137,805.40

Finding the Fourth Proportional to 250,975.48, 346,346.70 and 137,805.40

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Solution

The fourth proportional to 250,975.48, 346,346.70 and 137,805.40 is: 190,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,975.48 : 346,346.70 = 137,805.40 : x
  2. Step 2: Convert to fraction form
    250,975.48/346,346.70 = 137,805.40/x
  3. Step 3: Cross multiply
    250,975.48x = 346,346.70 × 137,805.40
  4. Step 4: Simplify right side
    250,975.48x = 47,728,445,532.18
  5. Step 5: Solve for x
    x = 47,728,445,532.18/250,975.48
  6. Step 6: Final answer
    x = 190,171.75

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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.