Home / 255,050.19-351,971.96-140,330.34

Finding the Fourth Proportional to 255,050.19, 351,971.96 and 140,330.34

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Solution

The fourth proportional to 255,050.19, 351,971.96 and 140,330.34 is: 193,657.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,050.19 : 351,971.96 = 140,330.34 : x
  2. Step 2: Convert to fraction form
    255,050.19/351,971.96 = 140,330.34/x
  3. Step 3: Cross multiply
    255,050.19x = 351,971.96 × 140,330.34
  4. Step 4: Simplify right side
    255,050.19x = 49,392,342,355.75
  5. Step 5: Solve for x
    x = 49,392,342,355.75/255,050.19
  6. Step 6: Final answer
    x = 193,657.35

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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.