Home / 118,817.23-178,225.85-39,931.69

Finding the Fourth Proportional to 118,817.23, 178,225.85 and 39,931.69

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Solution

The fourth proportional to 118,817.23, 178,225.85 and 39,931.69 is: 59,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,817.23 : 178,225.85 = 39,931.69 : x
  2. Step 2: Convert to fraction form
    118,817.23/178,225.85 = 39,931.69/x
  3. Step 3: Cross multiply
    118,817.23x = 178,225.85 × 39,931.69
  4. Step 4: Simplify right side
    118,817.23x = 7,116,859,392.19
  5. Step 5: Solve for x
    x = 7,116,859,392.19/118,817.23
  6. Step 6: Final answer
    x = 59,897.54

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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.