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Finding the Fourth Proportional to 153,785.70, 230,851.35 and 118,880.10

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Solution

The fourth proportional to 153,785.70, 230,851.35 and 118,880.10 is: 178,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,785.70 : 230,851.35 = 118,880.10 : x
  2. Step 2: Convert to fraction form
    153,785.70/230,851.35 = 118,880.10/x
  3. Step 3: Cross multiply
    153,785.70x = 230,851.35 × 118,880.10
  4. Step 4: Simplify right side
    153,785.70x = 27,443,631,573.14
  5. Step 5: Solve for x
    x = 27,443,631,573.14/153,785.70
  6. Step 6: Final answer
    x = 178,453.73

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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.