Home / 118,835.61-178,293.12-38,877.24

Finding the Fourth Proportional to 118,835.61, 178,293.12 and 38,877.24

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Solution

The fourth proportional to 118,835.61, 178,293.12 and 38,877.24 is: 58,328.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,835.61 : 178,293.12 = 38,877.24 : x
  2. Step 2: Convert to fraction form
    118,835.61/178,293.12 = 38,877.24/x
  3. Step 3: Cross multiply
    118,835.61x = 178,293.12 × 38,877.24
  4. Step 4: Simplify right side
    118,835.61x = 6,931,544,416.59
  5. Step 5: Solve for x
    x = 6,931,544,416.59/118,835.61
  6. Step 6: Final answer
    x = 58,328.85

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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.