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Finding the Fourth Proportional to 199,602.08, 275,443.92 and 118,988

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Solution

The fourth proportional to 199,602.08, 275,443.92 and 118,988 is: 164,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,602.08 : 275,443.92 = 118,988 : x
  2. Step 2: Convert to fraction form
    199,602.08/275,443.92 = 118,988/x
  3. Step 3: Cross multiply
    199,602.08x = 275,443.92 × 118,988
  4. Step 4: Simplify right side
    199,602.08x = 32,774,521,152.96
  5. Step 5: Solve for x
    x = 32,774,521,152.96/199,602.08
  6. Step 6: Final answer
    x = 164,199.30

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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.