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Finding the Fourth Proportional to 134,907, 185,998.59 and 110,618.48

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Solution

The fourth proportional to 134,907, 185,998.59 and 110,618.48 is: 152,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,907 : 185,998.59 = 110,618.48 : x
  2. Step 2: Convert to fraction form
    134,907/185,998.59 = 110,618.48/x
  3. Step 3: Cross multiply
    134,907x = 185,998.59 × 110,618.48
  4. Step 4: Simplify right side
    134,907x = 20,574,880,377.95
  5. Step 5: Solve for x
    x = 20,574,880,377.95/134,907
  6. Step 6: Final answer
    x = 152,511.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.