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Finding the Fourth Proportional to 164,085.40, 246,128.10 and 137,841.40

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Solution

The fourth proportional to 164,085.40, 246,128.10 and 137,841.40 is: 206,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,085.40 : 246,128.10 = 137,841.40 : x
  2. Step 2: Convert to fraction form
    164,085.40/246,128.10 = 137,841.40/x
  3. Step 3: Cross multiply
    164,085.40x = 246,128.10 × 137,841.40
  4. Step 4: Simplify right side
    164,085.40x = 33,926,641,883.34
  5. Step 5: Solve for x
    x = 33,926,641,883.34/164,085.40
  6. Step 6: Final answer
    x = 206,762.10

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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.