Home / 118,680.36-163,777.44-64,231.26

Finding the Fourth Proportional to 118,680.36, 163,777.44 and 64,231.26

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Solution

The fourth proportional to 118,680.36, 163,777.44 and 64,231.26 is: 88,638.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,680.36 : 163,777.44 = 64,231.26 : x
  2. Step 2: Convert to fraction form
    118,680.36/163,777.44 = 64,231.26/x
  3. Step 3: Cross multiply
    118,680.36x = 163,777.44 × 64,231.26
  4. Step 4: Simplify right side
    118,680.36x = 10,519,631,330.77
  5. Step 5: Solve for x
    x = 10,519,631,330.77/118,680.36
  6. Step 6: Final answer
    x = 88,638.35

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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.