Home / 247,860.40-342,051.60-140,427.76

Finding the Fourth Proportional to 247,860.40, 342,051.60 and 140,427.76

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Solution

The fourth proportional to 247,860.40, 342,051.60 and 140,427.76 is: 193,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,860.40 : 342,051.60 = 140,427.76 : x
  2. Step 2: Convert to fraction form
    247,860.40/342,051.60 = 140,427.76/x
  3. Step 3: Cross multiply
    247,860.40x = 342,051.60 × 140,427.76
  4. Step 4: Simplify right side
    247,860.40x = 48,033,539,992.42
  5. Step 5: Solve for x
    x = 48,033,539,992.42/247,860.40
  6. Step 6: Final answer
    x = 193,792.72

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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.