Home / 163,581.03-245,373.98-107,778.51

Finding the Fourth Proportional to 163,581.03, 245,373.98 and 107,778.51

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Solution

The fourth proportional to 163,581.03, 245,373.98 and 107,778.51 is: 161,669.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,581.03 : 245,373.98 = 107,778.51 : x
  2. Step 2: Convert to fraction form
    163,581.03/245,373.98 = 107,778.51/x
  3. Step 3: Cross multiply
    163,581.03x = 245,373.98 × 107,778.51
  4. Step 4: Simplify right side
    163,581.03x = 26,446,041,418.28
  5. Step 5: Solve for x
    x = 26,446,041,418.28/163,581.03
  6. Step 6: Final answer
    x = 161,669.37

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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.