Home / 145,722.72-201,190.36-118,929.24

Finding the Fourth Proportional to 145,722.72, 201,190.36 and 118,929.24

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Solution

The fourth proportional to 145,722.72, 201,190.36 and 118,929.24 is: 164,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,722.72 : 201,190.36 = 118,929.24 : x
  2. Step 2: Convert to fraction form
    145,722.72/201,190.36 = 118,929.24/x
  3. Step 3: Cross multiply
    145,722.72x = 201,190.36 × 118,929.24
  4. Step 4: Simplify right side
    145,722.72x = 23,927,416,610.13
  5. Step 5: Solve for x
    x = 23,927,416,610.13/145,722.72
  6. Step 6: Final answer
    x = 164,198.26

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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.