Home / 104,926.16-144,695.23-66,619.20

Finding the Fourth Proportional to 104,926.16, 144,695.23 and 66,619.20

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Solution

The fourth proportional to 104,926.16, 144,695.23 and 66,619.20 is: 91,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,926.16 : 144,695.23 = 66,619.20 : x
  2. Step 2: Convert to fraction form
    104,926.16/144,695.23 = 66,619.20/x
  3. Step 3: Cross multiply
    104,926.16x = 144,695.23 × 66,619.20
  4. Step 4: Simplify right side
    104,926.16x = 9,639,480,828.15
  5. Step 5: Solve for x
    x = 9,639,480,828.15/104,926.16
  6. Step 6: Final answer
    x = 91,869.19

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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.