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Finding the Fourth Proportional to 119,457.70, 179,061.54 and 44,547.71

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Solution

The fourth proportional to 119,457.70, 179,061.54 and 44,547.71 is: 66,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,457.70 : 179,061.54 = 44,547.71 : x
  2. Step 2: Convert to fraction form
    119,457.70/179,061.54 = 44,547.71/x
  3. Step 3: Cross multiply
    119,457.70x = 179,061.54 × 44,547.71
  4. Step 4: Simplify right side
    119,457.70x = 7,976,781,249.13
  5. Step 5: Solve for x
    x = 7,976,781,249.13/119,457.70
  6. Step 6: Final answer
    x = 66,774.94

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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.