Home / 245,885.07-339,331.83-136,989.32

Finding the Fourth Proportional to 245,885.07, 339,331.83 and 136,989.32

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Solution

The fourth proportional to 245,885.07, 339,331.83 and 136,989.32 is: 189,051.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,885.07 : 339,331.83 = 136,989.32 : x
  2. Step 2: Convert to fraction form
    245,885.07/339,331.83 = 136,989.32/x
  3. Step 3: Cross multiply
    245,885.07x = 339,331.83 × 136,989.32
  4. Step 4: Simplify right side
    245,885.07x = 46,484,834,949.40
  5. Step 5: Solve for x
    x = 46,484,834,949.40/245,885.07
  6. Step 6: Final answer
    x = 189,051.07

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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.