Home / 118,864.90-178,303.74-30,119.14

Finding the Fourth Proportional to 118,864.90, 178,303.74 and 30,119.14

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Solution

The fourth proportional to 118,864.90, 178,303.74 and 30,119.14 is: 45,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,864.90 : 178,303.74 = 30,119.14 : x
  2. Step 2: Convert to fraction form
    118,864.90/178,303.74 = 30,119.14/x
  3. Step 3: Cross multiply
    118,864.90x = 178,303.74 × 30,119.14
  4. Step 4: Simplify right side
    118,864.90x = 5,370,355,307.58
  5. Step 5: Solve for x
    x = 5,370,355,307.58/118,864.90
  6. Step 6: Final answer
    x = 45,180.33

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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.