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Finding the Fourth Proportional to 180,481.63, 249,061.63 and 99,907.45

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Solution

The fourth proportional to 180,481.63, 249,061.63 and 99,907.45 is: 137,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,481.63 : 249,061.63 = 99,907.45 : x
  2. Step 2: Convert to fraction form
    180,481.63/249,061.63 = 99,907.45/x
  3. Step 3: Cross multiply
    180,481.63x = 249,061.63 × 99,907.45
  4. Step 4: Simplify right side
    180,481.63x = 24,883,112,346.14
  5. Step 5: Solve for x
    x = 24,883,112,346.14/180,481.63
  6. Step 6: Final answer
    x = 137,870.61

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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.