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Finding the Fourth Proportional to 152,532.48, 210,502.55 and 87,977.71

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Solution

The fourth proportional to 152,532.48, 210,502.55 and 87,977.71 is: 121,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,532.48 : 210,502.55 = 87,977.71 : x
  2. Step 2: Convert to fraction form
    152,532.48/210,502.55 = 87,977.71/x
  3. Step 3: Cross multiply
    152,532.48x = 210,502.55 × 87,977.71
  4. Step 4: Simplify right side
    152,532.48x = 18,519,532,298.16
  5. Step 5: Solve for x
    x = 18,519,532,298.16/152,532.48
  6. Step 6: Final answer
    x = 121,413.70

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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.