Home / 177,667.24-266,382.30-72,457.96

Finding the Fourth Proportional to 177,667.24, 266,382.30 and 72,457.96

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Solution

The fourth proportional to 177,667.24, 266,382.30 and 72,457.96 is: 108,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,667.24 : 266,382.30 = 72,457.96 : x
  2. Step 2: Convert to fraction form
    177,667.24/266,382.30 = 72,457.96/x
  3. Step 3: Cross multiply
    177,667.24x = 266,382.30 × 72,457.96
  4. Step 4: Simplify right side
    177,667.24x = 19,301,518,038.11
  5. Step 5: Solve for x
    x = 19,301,518,038.11/177,667.24
  6. Step 6: Final answer
    x = 108,638.59

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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.