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Finding the Fourth Proportional to 180,473.87, 249,050.90 and 99,899.66

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Solution

The fourth proportional to 180,473.87, 249,050.90 and 99,899.66 is: 137,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,473.87 : 249,050.90 = 99,899.66 : x
  2. Step 2: Convert to fraction form
    180,473.87/249,050.90 = 99,899.66/x
  3. Step 3: Cross multiply
    180,473.87x = 249,050.90 × 99,899.66
  4. Step 4: Simplify right side
    180,473.87x = 24,880,100,232.69
  5. Step 5: Solve for x
    x = 24,880,100,232.69/180,473.87
  6. Step 6: Final answer
    x = 137,859.85

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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.