Home / 109,125.02-163,690.10-30,239.93

Finding the Fourth Proportional to 109,125.02, 163,690.10 and 30,239.93

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Solution

The fourth proportional to 109,125.02, 163,690.10 and 30,239.93 is: 45,360.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,125.02 : 163,690.10 = 30,239.93 : x
  2. Step 2: Convert to fraction form
    109,125.02/163,690.10 = 30,239.93/x
  3. Step 3: Cross multiply
    109,125.02x = 163,690.10 × 30,239.93
  4. Step 4: Simplify right side
    109,125.02x = 4,949,977,165.69
  5. Step 5: Solve for x
    x = 4,949,977,165.69/109,125.02
  6. Step 6: Final answer
    x = 45,360.61

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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.