Home / 94,020.41-141,155.76-54,605.81

Finding the Fourth Proportional to 94,020.41, 141,155.76 and 54,605.81

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Solution

The fourth proportional to 94,020.41, 141,155.76 and 54,605.81 is: 81,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,020.41 : 141,155.76 = 54,605.81 : x
  2. Step 2: Convert to fraction form
    94,020.41/141,155.76 = 54,605.81/x
  3. Step 3: Cross multiply
    94,020.41x = 141,155.76 × 54,605.81
  4. Step 4: Simplify right side
    94,020.41x = 7,707,925,168.63
  5. Step 5: Solve for x
    x = 7,707,925,168.63/94,020.41
  6. Step 6: Final answer
    x = 81,981.40

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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.