Home / 113,365.40-169,853.70-73,902.20

Finding the Fourth Proportional to 113,365.40, 169,853.70 and 73,902.20

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Solution

The fourth proportional to 113,365.40, 169,853.70 and 73,902.20 is: 110,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,365.40 : 169,853.70 = 73,902.20 : x
  2. Step 2: Convert to fraction form
    113,365.40/169,853.70 = 73,902.20/x
  3. Step 3: Cross multiply
    113,365.40x = 169,853.70 × 73,902.20
  4. Step 4: Simplify right side
    113,365.40x = 12,552,562,108.14
  5. Step 5: Solve for x
    x = 12,552,562,108.14/113,365.40
  6. Step 6: Final answer
    x = 110,726.57

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1.5x scale

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.