Home / 164,864.70-247,005.45-139,787.10

Finding the Fourth Proportional to 164,864.70, 247,005.45 and 139,787.10

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Solution

The fourth proportional to 164,864.70, 247,005.45 and 139,787.10 is: 209,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,864.70 : 247,005.45 = 139,787.10 : x
  2. Step 2: Convert to fraction form
    164,864.70/247,005.45 = 139,787.10/x
  3. Step 3: Cross multiply
    164,864.70x = 247,005.45 × 139,787.10
  4. Step 4: Simplify right side
    164,864.70x = 34,528,175,539.70
  5. Step 5: Solve for x
    x = 34,528,175,539.70/164,864.70
  6. Step 6: Final answer
    x = 209,433.41

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1.5x scale

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.