Home / 91,479.18-136,997.30-63,320.34

Finding the Fourth Proportional to 91,479.18, 136,997.30 and 63,320.34

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Solution

The fourth proportional to 91,479.18, 136,997.30 and 63,320.34 is: 94,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,479.18 : 136,997.30 = 63,320.34 : x
  2. Step 2: Convert to fraction form
    91,479.18/136,997.30 = 63,320.34/x
  3. Step 3: Cross multiply
    91,479.18x = 136,997.30 × 63,320.34
  4. Step 4: Simplify right side
    91,479.18x = 8,674,714,930.10
  5. Step 5: Solve for x
    x = 8,674,714,930.10/91,479.18
  6. Step 6: Final answer
    x = 94,827.21

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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.