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Finding the Fourth Proportional to 152,424.96, 210,326.48 and 87,896.56

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Solution

The fourth proportional to 152,424.96, 210,326.48 and 87,896.56 is: 121,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,424.96 : 210,326.48 = 87,896.56 : x
  2. Step 2: Convert to fraction form
    152,424.96/210,326.48 = 87,896.56/x
  3. Step 3: Cross multiply
    152,424.96x = 210,326.48 × 87,896.56
  4. Step 4: Simplify right side
    152,424.96x = 18,486,974,068.91
  5. Step 5: Solve for x
    x = 18,486,974,068.91/152,424.96
  6. Step 6: Final answer
    x = 121,285.74

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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.