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Finding the Fourth Proportional to 109,384.56, 150,950.76 and 59,083.56

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Solution

The fourth proportional to 109,384.56, 150,950.76 and 59,083.56 is: 81,535.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,384.56 : 150,950.76 = 59,083.56 : x
  2. Step 2: Convert to fraction form
    109,384.56/150,950.76 = 59,083.56/x
  3. Step 3: Cross multiply
    109,384.56x = 150,950.76 × 59,083.56
  4. Step 4: Simplify right side
    109,384.56x = 8,918,708,285.51
  5. Step 5: Solve for x
    x = 8,918,708,285.51/109,384.56
  6. Step 6: Final answer
    x = 81,535.35

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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.