Home / 131,775.30-181,775.66-83,362.23

Finding the Fourth Proportional to 131,775.30, 181,775.66 and 83,362.23

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Solution

The fourth proportional to 131,775.30, 181,775.66 and 83,362.23 is: 114,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.30 : 181,775.66 = 83,362.23 : x
  2. Step 2: Convert to fraction form
    131,775.30/181,775.66 = 83,362.23/x
  3. Step 3: Cross multiply
    131,775.30x = 181,775.66 × 83,362.23
  4. Step 4: Simplify right side
    131,775.30x = 15,153,223,960.51
  5. Step 5: Solve for x
    x = 15,153,223,960.51/131,775.30
  6. Step 6: Final answer
    x = 114,992.90

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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.