Home / 131,501.30-181,329.08-83,693.48

Finding the Fourth Proportional to 131,501.30, 181,329.08 and 83,693.48

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Solution

The fourth proportional to 131,501.30, 181,329.08 and 83,693.48 is: 115,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,501.30 : 181,329.08 = 83,693.48 : x
  2. Step 2: Convert to fraction form
    131,501.30/181,329.08 = 83,693.48/x
  3. Step 3: Cross multiply
    131,501.30x = 181,329.08 × 83,693.48
  4. Step 4: Simplify right side
    131,501.30x = 15,176,061,730.40
  5. Step 5: Solve for x
    x = 15,176,061,730.40/131,501.30
  6. Step 6: Final answer
    x = 115,406.17

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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.