Home / 104,509.32-144,245.52-64,257.60

Finding the Fourth Proportional to 104,509.32, 144,245.52 and 64,257.60

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Solution

The fourth proportional to 104,509.32, 144,245.52 and 64,257.60 is: 88,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,509.32 : 144,245.52 = 64,257.60 : x
  2. Step 2: Convert to fraction form
    104,509.32/144,245.52 = 64,257.60/x
  3. Step 3: Cross multiply
    104,509.32x = 144,245.52 × 64,257.60
  4. Step 4: Simplify right side
    104,509.32x = 9,268,870,925.95
  5. Step 5: Solve for x
    x = 9,268,870,925.95/104,509.32
  6. Step 6: Final answer
    x = 88,689.42

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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.