Home / 247,865.73-342,055.61-134,688.45

Finding the Fourth Proportional to 247,865.73, 342,055.61 and 134,688.45

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Solution

The fourth proportional to 247,865.73, 342,055.61 and 134,688.45 is: 185,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,865.73 : 342,055.61 = 134,688.45 : x
  2. Step 2: Convert to fraction form
    247,865.73/342,055.61 = 134,688.45/x
  3. Step 3: Cross multiply
    247,865.73x = 342,055.61 × 134,688.45
  4. Step 4: Simplify right side
    247,865.73x = 46,070,939,251.26
  5. Step 5: Solve for x
    x = 46,070,939,251.26/247,865.73
  6. Step 6: Final answer
    x = 185,870.55

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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.