Home / 104,829.20-144,675.84-64,534.88

Finding the Fourth Proportional to 104,829.20, 144,675.84 and 64,534.88

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Solution

The fourth proportional to 104,829.20, 144,675.84 and 64,534.88 is: 89,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,829.20 : 144,675.84 = 64,534.88 : x
  2. Step 2: Convert to fraction form
    104,829.20/144,675.84 = 64,534.88/x
  3. Step 3: Cross multiply
    104,829.20x = 144,675.84 × 64,534.88
  4. Step 4: Simplify right side
    104,829.20x = 9,336,637,973.30
  5. Step 5: Solve for x
    x = 9,336,637,973.30/104,829.20
  6. Step 6: Final answer
    x = 89,065.24

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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.