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Finding the Fourth Proportional to 141,804, 195,688.68 and 77,273.10

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Solution

The fourth proportional to 141,804, 195,688.68 and 77,273.10 is: 106,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804 : 195,688.68 = 77,273.10 : x
  2. Step 2: Convert to fraction form
    141,804/195,688.68 = 77,273.10/x
  3. Step 3: Cross multiply
    141,804x = 195,688.68 × 77,273.10
  4. Step 4: Simplify right side
    141,804x = 15,121,470,938.51
  5. Step 5: Solve for x
    x = 15,121,470,938.51/141,804
  6. Step 6: Final answer
    x = 106,636.42

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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.