Home / 142,928.64-214,041.60-117,815.04

Finding the Fourth Proportional to 142,928.64, 214,041.60 and 117,815.04

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Solution

The fourth proportional to 142,928.64, 214,041.60 and 117,815.04 is: 176,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,928.64 : 214,041.60 = 117,815.04 : x
  2. Step 2: Convert to fraction form
    142,928.64/214,041.60 = 117,815.04/x
  3. Step 3: Cross multiply
    142,928.64x = 214,041.60 × 117,815.04
  4. Step 4: Simplify right side
    142,928.64x = 25,217,319,665.66
  5. Step 5: Solve for x
    x = 25,217,319,665.66/142,928.64
  6. Step 6: Final answer
    x = 176,432.94

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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.