Home / 242,989.07-335,325.06-135,559.10

Finding the Fourth Proportional to 242,989.07, 335,325.06 and 135,559.10

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Solution

The fourth proportional to 242,989.07, 335,325.06 and 135,559.10 is: 187,071.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,989.07 : 335,325.06 = 135,559.10 : x
  2. Step 2: Convert to fraction form
    242,989.07/335,325.06 = 135,559.10/x
  3. Step 3: Cross multiply
    242,989.07x = 335,325.06 × 135,559.10
  4. Step 4: Simplify right side
    242,989.07x = 45,456,362,663.25
  5. Step 5: Solve for x
    x = 45,456,362,663.25/242,989.07
  6. Step 6: Final answer
    x = 187,071.64

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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.