Home / 102,231.11-141,050.57-61,384.64

Finding the Fourth Proportional to 102,231.11, 141,050.57 and 61,384.64

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Solution

The fourth proportional to 102,231.11, 141,050.57 and 61,384.64 is: 84,693.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,231.11 : 141,050.57 = 61,384.64 : x
  2. Step 2: Convert to fraction form
    102,231.11/141,050.57 = 61,384.64/x
  3. Step 3: Cross multiply
    102,231.11x = 141,050.57 × 61,384.64
  4. Step 4: Simplify right side
    102,231.11x = 8,658,337,449.07
  5. Step 5: Solve for x
    x = 8,658,337,449.07/102,231.11
  6. Step 6: Final answer
    x = 84,693.76

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1.5x scale

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.