Home / 147,830.64-204,006.31-80,762.64

Finding the Fourth Proportional to 147,830.64, 204,006.31 and 80,762.64

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Solution

The fourth proportional to 147,830.64, 204,006.31 and 80,762.64 is: 111,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,830.64 : 204,006.31 = 80,762.64 : x
  2. Step 2: Convert to fraction form
    147,830.64/204,006.31 = 80,762.64/x
  3. Step 3: Cross multiply
    147,830.64x = 204,006.31 × 80,762.64
  4. Step 4: Simplify right side
    147,830.64x = 16,476,088,172.26
  5. Step 5: Solve for x
    x = 16,476,088,172.26/147,830.64
  6. Step 6: Final answer
    x = 111,452.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.