Home / 192,300.48-265,273.92-120,545.28

Finding the Fourth Proportional to 192,300.48, 265,273.92 and 120,545.28

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Solution

The fourth proportional to 192,300.48, 265,273.92 and 120,545.28 is: 166,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,300.48 : 265,273.92 = 120,545.28 : x
  2. Step 2: Convert to fraction form
    192,300.48/265,273.92 = 120,545.28/x
  3. Step 3: Cross multiply
    192,300.48x = 265,273.92 × 120,545.28
  4. Step 4: Simplify right side
    192,300.48x = 31,977,518,963.10
  5. Step 5: Solve for x
    x = 31,977,518,963.10/192,300.48
  6. Step 6: Final answer
    x = 166,289.34

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1.5x scale

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.