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Finding the Fourth Proportional to 167,411.70, 251,117.55 and 104,426.10

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Solution

The fourth proportional to 167,411.70, 251,117.55 and 104,426.10 is: 156,639.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,411.70 : 251,117.55 = 104,426.10 : x
  2. Step 2: Convert to fraction form
    167,411.70/251,117.55 = 104,426.10/x
  3. Step 3: Cross multiply
    167,411.70x = 251,117.55 × 104,426.10
  4. Step 4: Simplify right side
    167,411.70x = 26,223,226,388.06
  5. Step 5: Solve for x
    x = 26,223,226,388.06/167,411.70
  6. Step 6: Final answer
    x = 156,639.15

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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.