Home / 142,056.92-213,120.08-47,286.92

Finding the Fourth Proportional to 142,056.92, 213,120.08 and 47,286.92

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Solution

The fourth proportional to 142,056.92, 213,120.08 and 47,286.92 is: 70,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,056.92 : 213,120.08 = 47,286.92 : x
  2. Step 2: Convert to fraction form
    142,056.92/213,120.08 = 47,286.92/x
  3. Step 3: Cross multiply
    142,056.92x = 213,120.08 × 47,286.92
  4. Step 4: Simplify right side
    142,056.92x = 10,077,792,173.35
  5. Step 5: Solve for x
    x = 10,077,792,173.35/142,056.92
  6. Step 6: Final answer
    x = 70,941.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.