Home / 139,138.02-191,866.14-119,061.36

Finding the Fourth Proportional to 139,138.02, 191,866.14 and 119,061.36

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Solution

The fourth proportional to 139,138.02, 191,866.14 and 119,061.36 is: 164,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,138.02 : 191,866.14 = 119,061.36 : x
  2. Step 2: Convert to fraction form
    139,138.02/191,866.14 = 119,061.36/x
  3. Step 3: Cross multiply
    139,138.02x = 191,866.14 × 119,061.36
  4. Step 4: Simplify right side
    139,138.02x = 22,843,843,566.35
  5. Step 5: Solve for x
    x = 22,843,843,566.35/139,138.02
  6. Step 6: Final answer
    x = 164,181.17

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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.