Home / 153,429.03-230,168.34-45,369.36

Finding the Fourth Proportional to 153,429.03, 230,168.34 and 45,369.36

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Solution

The fourth proportional to 153,429.03, 230,168.34 and 45,369.36 is: 68,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,429.03 : 230,168.34 = 45,369.36 : x
  2. Step 2: Convert to fraction form
    153,429.03/230,168.34 = 45,369.36/x
  3. Step 3: Cross multiply
    153,429.03x = 230,168.34 × 45,369.36
  4. Step 4: Simplify right side
    153,429.03x = 10,442,590,278.06
  5. Step 5: Solve for x
    x = 10,442,590,278.06/153,429.03
  6. Step 6: Final answer
    x = 68,061.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.