Home / 131,775.08-181,849.72-71,345.77

Finding the Fourth Proportional to 131,775.08, 181,849.72 and 71,345.77

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Solution

The fourth proportional to 131,775.08, 181,849.72 and 71,345.77 is: 98,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.08 : 181,849.72 = 71,345.77 : x
  2. Step 2: Convert to fraction form
    131,775.08/181,849.72 = 71,345.77/x
  3. Step 3: Cross multiply
    131,775.08x = 181,849.72 × 71,345.77
  4. Step 4: Simplify right side
    131,775.08x = 12,974,207,210.07
  5. Step 5: Solve for x
    x = 12,974,207,210.07/131,775.08
  6. Step 6: Final answer
    x = 98,457.21

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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.