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Finding the Fourth Proportional to 110,018.68, 151,826.10 and 59,717.68

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Solution

The fourth proportional to 110,018.68, 151,826.10 and 59,717.68 is: 82,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,018.68 : 151,826.10 = 59,717.68 : x
  2. Step 2: Convert to fraction form
    110,018.68/151,826.10 = 59,717.68/x
  3. Step 3: Cross multiply
    110,018.68x = 151,826.10 × 59,717.68
  4. Step 4: Simplify right side
    110,018.68x = 9,066,702,455.45
  5. Step 5: Solve for x
    x = 9,066,702,455.45/110,018.68
  6. Step 6: Final answer
    x = 82,410.57

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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.