Home / 131,595.22-181,388.12-102,864.12

Finding the Fourth Proportional to 131,595.22, 181,388.12 and 102,864.12

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Solution

The fourth proportional to 131,595.22, 181,388.12 and 102,864.12 is: 141,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,595.22 : 181,388.12 = 102,864.12 : x
  2. Step 2: Convert to fraction form
    131,595.22/181,388.12 = 102,864.12/x
  3. Step 3: Cross multiply
    131,595.22x = 181,388.12 × 102,864.12
  4. Step 4: Simplify right side
    131,595.22x = 18,658,329,342.25
  5. Step 5: Solve for x
    x = 18,658,329,342.25/131,595.22
  6. Step 6: Final answer
    x = 141,785.77

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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.