Home / 147,996.16-204,254.72-83,478.64

Finding the Fourth Proportional to 147,996.16, 204,254.72 and 83,478.64

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Solution

The fourth proportional to 147,996.16, 204,254.72 and 83,478.64 is: 115,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,996.16 : 204,254.72 = 83,478.64 : x
  2. Step 2: Convert to fraction form
    147,996.16/204,254.72 = 83,478.64/x
  3. Step 3: Cross multiply
    147,996.16x = 204,254.72 × 83,478.64
  4. Step 4: Simplify right side
    147,996.16x = 17,050,906,239.18
  5. Step 5: Solve for x
    x = 17,050,906,239.18/147,996.16
  6. Step 6: Final answer
    x = 115,211.82

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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.