Home / 118,870.08-178,212.96-53,160

Finding the Fourth Proportional to 118,870.08, 178,212.96 and 53,160

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Solution

The fourth proportional to 118,870.08, 178,212.96 and 53,160 is: 79,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,870.08 : 178,212.96 = 53,160 : x
  2. Step 2: Convert to fraction form
    118,870.08/178,212.96 = 53,160/x
  3. Step 3: Cross multiply
    118,870.08x = 178,212.96 × 53,160
  4. Step 4: Simplify right side
    118,870.08x = 9,473,800,953.60
  5. Step 5: Solve for x
    x = 9,473,800,953.60/118,870.08
  6. Step 6: Final answer
    x = 79,698.79

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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.