Home / 163,434.00-245,165.09-45,105.34

Finding the Fourth Proportional to 163,434.00, 245,165.09 and 45,105.34

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Solution

The fourth proportional to 163,434.00, 245,165.09 and 45,105.34 is: 67,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.00 : 245,165.09 = 45,105.34 : x
  2. Step 2: Convert to fraction form
    163,434.00/245,165.09 = 45,105.34/x
  3. Step 3: Cross multiply
    163,434.00x = 245,165.09 × 45,105.34
  4. Step 4: Simplify right side
    163,434.00x = 11,058,254,161.83
  5. Step 5: Solve for x
    x = 11,058,254,161.83/163,434.00
  6. Step 6: Final answer
    x = 67,661.90

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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.