Home / 109,664.70-164,205.45-70,007.10

Finding the Fourth Proportional to 109,664.70, 164,205.45 and 70,007.10

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Solution

The fourth proportional to 109,664.70, 164,205.45 and 70,007.10 is: 104,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,664.70 : 164,205.45 = 70,007.10 : x
  2. Step 2: Convert to fraction form
    109,664.70/164,205.45 = 70,007.10/x
  3. Step 3: Cross multiply
    109,664.70x = 164,205.45 × 70,007.10
  4. Step 4: Simplify right side
    109,664.70x = 11,495,547,358.70
  5. Step 5: Solve for x
    x = 11,495,547,358.70/109,664.70
  6. Step 6: Final answer
    x = 104,824.50

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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.