Home / 164,583.90-246,875.85-81,639.90

Finding the Fourth Proportional to 164,583.90, 246,875.85 and 81,639.90

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Solution

The fourth proportional to 164,583.90, 246,875.85 and 81,639.90 is: 122,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,583.90 : 246,875.85 = 81,639.90 : x
  2. Step 2: Convert to fraction form
    164,583.90/246,875.85 = 81,639.90/x
  3. Step 3: Cross multiply
    164,583.90x = 246,875.85 × 81,639.90
  4. Step 4: Simplify right side
    164,583.90x = 20,154,919,706.42
  5. Step 5: Solve for x
    x = 20,154,919,706.42/164,583.90
  6. Step 6: Final answer
    x = 122,459.85

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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.