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Finding the Fourth Proportional to 152,769.70, 210,764.31 and 112,579.32

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Solution

The fourth proportional to 152,769.70, 210,764.31 and 112,579.32 is: 155,316.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,769.70 : 210,764.31 = 112,579.32 : x
  2. Step 2: Convert to fraction form
    152,769.70/210,764.31 = 112,579.32/x
  3. Step 3: Cross multiply
    152,769.70x = 210,764.31 × 112,579.32
  4. Step 4: Simplify right side
    152,769.70x = 23,727,702,700.07
  5. Step 5: Solve for x
    x = 23,727,702,700.07/152,769.70
  6. Step 6: Final answer
    x = 155,316.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.