Home / 545,177.10-817,887.61-166,127.50

Finding the Fourth Proportional to 545,177.10, 817,887.61 and 166,127.50

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Solution

The fourth proportional to 545,177.10, 817,887.61 and 166,127.50 is: 249,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,177.10 : 817,887.61 = 166,127.50 : x
  2. Step 2: Convert to fraction form
    545,177.10/817,887.61 = 166,127.50/x
  3. Step 3: Cross multiply
    545,177.10x = 817,887.61 × 166,127.50
  4. Step 4: Simplify right side
    545,177.10x = 135,873,623,822.85
  5. Step 5: Solve for x
    x = 135,873,623,822.85/545,177.10
  6. Step 6: Final answer
    x = 249,228.41

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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.