Home / 118,848.79-178,235.53-38,868.28

Finding the Fourth Proportional to 118,848.79, 178,235.53 and 38,868.28

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Solution

The fourth proportional to 118,848.79, 178,235.53 and 38,868.28 is: 58,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,848.79 : 178,235.53 = 38,868.28 : x
  2. Step 2: Convert to fraction form
    118,848.79/178,235.53 = 38,868.28/x
  3. Step 3: Cross multiply
    118,848.79x = 178,235.53 × 38,868.28
  4. Step 4: Simplify right side
    118,848.79x = 6,927,707,400.47
  5. Step 5: Solve for x
    x = 6,927,707,400.47/118,848.79
  6. Step 6: Final answer
    x = 58,290.10

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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.