Home / 250,155.61-345,208.37-139,775.15

Finding the Fourth Proportional to 250,155.61, 345,208.37 and 139,775.15

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Solution

The fourth proportional to 250,155.61, 345,208.37 and 139,775.15 is: 192,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,155.61 : 345,208.37 = 139,775.15 : x
  2. Step 2: Convert to fraction form
    250,155.61/345,208.37 = 139,775.15/x
  3. Step 3: Cross multiply
    250,155.61x = 345,208.37 × 139,775.15
  4. Step 4: Simplify right side
    250,155.61x = 48,251,551,862.15
  5. Step 5: Solve for x
    x = 48,251,551,862.15/250,155.61
  6. Step 6: Final answer
    x = 192,886.15

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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.