Home / 147,466.22-221,186.97-76,312.17

Finding the Fourth Proportional to 147,466.22, 221,186.97 and 76,312.17

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Solution

The fourth proportional to 147,466.22, 221,186.97 and 76,312.17 is: 114,461.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,466.22 : 221,186.97 = 76,312.17 : x
  2. Step 2: Convert to fraction form
    147,466.22/221,186.97 = 76,312.17/x
  3. Step 3: Cross multiply
    147,466.22x = 221,186.97 × 76,312.17
  4. Step 4: Simplify right side
    147,466.22x = 16,879,257,656.42
  5. Step 5: Solve for x
    x = 16,879,257,656.42/147,466.22
  6. Step 6: Final answer
    x = 114,461.86

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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.