Home / 131,775.02-181,847.32-71,345.17

Finding the Fourth Proportional to 131,775.02, 181,847.32 and 71,345.17

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Solution

The fourth proportional to 131,775.02, 181,847.32 and 71,345.17 is: 98,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,775.02 : 181,847.32 = 71,345.17 : x
  2. Step 2: Convert to fraction form
    131,775.02/181,847.32 = 71,345.17/x
  3. Step 3: Cross multiply
    131,775.02x = 181,847.32 × 71,345.17
  4. Step 4: Simplify right side
    131,775.02x = 12,973,927,959.44
  5. Step 5: Solve for x
    x = 12,973,927,959.44/131,775.02
  6. Step 6: Final answer
    x = 98,455.14

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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.