Home / 250,609.77-345,840.93-137,432.25

Finding the Fourth Proportional to 250,609.77, 345,840.93 and 137,432.25

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Solution

The fourth proportional to 250,609.77, 345,840.93 and 137,432.25 is: 189,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,609.77 : 345,840.93 = 137,432.25 : x
  2. Step 2: Convert to fraction form
    250,609.77/345,840.93 = 137,432.25/x
  3. Step 3: Cross multiply
    250,609.77x = 345,840.93 × 137,432.25
  4. Step 4: Simplify right side
    250,609.77x = 47,529,697,151.99
  5. Step 5: Solve for x
    x = 47,529,697,151.99/250,609.77
  6. Step 6: Final answer
    x = 189,656.20

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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.