Home / 247,867.48-342,058-134,690.20

Finding the Fourth Proportional to 247,867.48, 342,058 and 134,690.20

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Solution

The fourth proportional to 247,867.48, 342,058 and 134,690.20 is: 185,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,867.48 : 342,058 = 134,690.20 : x
  2. Step 2: Convert to fraction form
    247,867.48/342,058 = 134,690.20/x
  3. Step 3: Cross multiply
    247,867.48x = 342,058 × 134,690.20
  4. Step 4: Simplify right side
    247,867.48x = 46,071,860,431.60
  5. Step 5: Solve for x
    x = 46,071,860,431.60/247,867.48
  6. Step 6: Final answer
    x = 185,872.95

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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.