Home / 247,904.42-342,095-140,475.74

Finding the Fourth Proportional to 247,904.42, 342,095 and 140,475.74

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Solution

The fourth proportional to 247,904.42, 342,095 and 140,475.74 is: 193,849.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,904.42 : 342,095 = 140,475.74 : x
  2. Step 2: Convert to fraction form
    247,904.42/342,095 = 140,475.74/x
  3. Step 3: Cross multiply
    247,904.42x = 342,095 × 140,475.74
  4. Step 4: Simplify right side
    247,904.42x = 48,056,048,275.30
  5. Step 5: Solve for x
    x = 48,056,048,275.30/247,904.42
  6. Step 6: Final answer
    x = 193,849.10

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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.