Home / 137,478.56-206,210.16-37,631.44

Finding the Fourth Proportional to 137,478.56, 206,210.16 and 37,631.44

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Solution

The fourth proportional to 137,478.56, 206,210.16 and 37,631.44 is: 56,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,478.56 : 206,210.16 = 37,631.44 : x
  2. Step 2: Convert to fraction form
    137,478.56/206,210.16 = 37,631.44/x
  3. Step 3: Cross multiply
    137,478.56x = 206,210.16 × 37,631.44
  4. Step 4: Simplify right side
    137,478.56x = 7,759,985,263.43
  5. Step 5: Solve for x
    x = 7,759,985,263.43/137,478.56
  6. Step 6: Final answer
    x = 56,445.06

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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.