Home / 113,363.40-169,951.98-77,726.28

Finding the Fourth Proportional to 113,363.40, 169,951.98 and 77,726.28

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Solution

The fourth proportional to 113,363.40, 169,951.98 and 77,726.28 is: 116,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,363.40 : 169,951.98 = 77,726.28 : x
  2. Step 2: Convert to fraction form
    113,363.40/169,951.98 = 77,726.28/x
  3. Step 3: Cross multiply
    113,363.40x = 169,951.98 × 77,726.28
  4. Step 4: Simplify right side
    113,363.40x = 13,209,735,184.03
  5. Step 5: Solve for x
    x = 13,209,735,184.03/113,363.40
  6. Step 6: Final answer
    x = 116,525.57

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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.