Home / 108,828.65-163,306.02-45,643.15

Finding the Fourth Proportional to 108,828.65, 163,306.02 and 45,643.15

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Solution

The fourth proportional to 108,828.65, 163,306.02 and 45,643.15 is: 68,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,828.65 : 163,306.02 = 45,643.15 : x
  2. Step 2: Convert to fraction form
    108,828.65/163,306.02 = 45,643.15/x
  3. Step 3: Cross multiply
    108,828.65x = 163,306.02 × 45,643.15
  4. Step 4: Simplify right side
    108,828.65x = 7,453,800,623.46
  5. Step 5: Solve for x
    x = 7,453,800,623.46/108,828.65
  6. Step 6: Final answer
    x = 68,491.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.