Home / 169,740-254,666.16-90,836.64

Finding the Fourth Proportional to 169,740, 254,666.16 and 90,836.64

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Solution

The fourth proportional to 169,740, 254,666.16 and 90,836.64 is: 136,285.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,740 : 254,666.16 = 90,836.64 : x
  2. Step 2: Convert to fraction form
    169,740/254,666.16 = 90,836.64/x
  3. Step 3: Cross multiply
    169,740x = 254,666.16 × 90,836.64
  4. Step 4: Simplify right side
    169,740x = 23,133,018,296.10
  5. Step 5: Solve for x
    x = 23,133,018,296.10/169,740
  6. Step 6: Final answer
    x = 136,285.01

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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.