Home / 104,986.58-144,840.12-64,630.22

Finding the Fourth Proportional to 104,986.58, 144,840.12 and 64,630.22

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Solution

The fourth proportional to 104,986.58, 144,840.12 and 64,630.22 is: 89,164.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,986.58 : 144,840.12 = 64,630.22 : x
  2. Step 2: Convert to fraction form
    104,986.58/144,840.12 = 64,630.22/x
  3. Step 3: Cross multiply
    104,986.58x = 144,840.12 × 64,630.22
  4. Step 4: Simplify right side
    104,986.58x = 9,361,047,853.86
  5. Step 5: Solve for x
    x = 9,361,047,853.86/104,986.58
  6. Step 6: Final answer
    x = 89,164.24

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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.