Home / 117,736.66-162,536.80-90,818.74

Finding the Fourth Proportional to 117,736.66, 162,536.80 and 90,818.74

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Solution

The fourth proportional to 117,736.66, 162,536.80 and 90,818.74 is: 125,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,736.66 : 162,536.80 = 90,818.74 : x
  2. Step 2: Convert to fraction form
    117,736.66/162,536.80 = 90,818.74/x
  3. Step 3: Cross multiply
    117,736.66x = 162,536.80 × 90,818.74
  4. Step 4: Simplify right side
    117,736.66x = 14,761,387,379.63
  5. Step 5: Solve for x
    x = 14,761,387,379.63/117,736.66
  6. Step 6: Final answer
    x = 125,376.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.