Home / 163,502.06-245,250.63-45,170.78

Finding the Fourth Proportional to 163,502.06, 245,250.63 and 45,170.78

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Solution

The fourth proportional to 163,502.06, 245,250.63 and 45,170.78 is: 67,755.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,502.06 : 245,250.63 = 45,170.78 : x
  2. Step 2: Convert to fraction form
    163,502.06/245,250.63 = 45,170.78/x
  3. Step 3: Cross multiply
    163,502.06x = 245,250.63 × 45,170.78
  4. Step 4: Simplify right side
    163,502.06x = 11,078,161,026.34
  5. Step 5: Solve for x
    x = 11,078,161,026.34/163,502.06
  6. Step 6: Final answer
    x = 67,755.48

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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.