Home / 199,548.72-275,412.36-118,981.20

Finding the Fourth Proportional to 199,548.72, 275,412.36 and 118,981.20

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Solution

The fourth proportional to 199,548.72, 275,412.36 and 118,981.20 is: 164,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,548.72 : 275,412.36 = 118,981.20 : x
  2. Step 2: Convert to fraction form
    199,548.72/275,412.36 = 118,981.20/x
  3. Step 3: Cross multiply
    199,548.72x = 275,412.36 × 118,981.20
  4. Step 4: Simplify right side
    199,548.72x = 32,768,893,087.63
  5. Step 5: Solve for x
    x = 32,768,893,087.63/199,548.72
  6. Step 6: Final answer
    x = 164,215.00

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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.