Home / 146,772.30-202,607.78-99,090.24

Finding the Fourth Proportional to 146,772.30, 202,607.78 and 99,090.24

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Solution

The fourth proportional to 146,772.30, 202,607.78 and 99,090.24 is: 136,786.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,772.30 : 202,607.78 = 99,090.24 : x
  2. Step 2: Convert to fraction form
    146,772.30/202,607.78 = 99,090.24/x
  3. Step 3: Cross multiply
    146,772.30x = 202,607.78 × 99,090.24
  4. Step 4: Simplify right side
    146,772.30x = 20,076,452,848.22
  5. Step 5: Solve for x
    x = 20,076,452,848.22/146,772.30
  6. Step 6: Final answer
    x = 136,786.39

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1.5x scale

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.