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Finding the Fourth Proportional to 180,474.93, 249,052.37 and 99,900.72

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Solution

The fourth proportional to 180,474.93, 249,052.37 and 99,900.72 is: 137,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,474.93 : 249,052.37 = 99,900.72 : x
  2. Step 2: Convert to fraction form
    180,474.93/249,052.37 = 99,900.72/x
  3. Step 3: Cross multiply
    180,474.93x = 249,052.37 × 99,900.72
  4. Step 4: Simplify right side
    180,474.93x = 24,880,510,581.20
  5. Step 5: Solve for x
    x = 24,880,510,581.20/180,474.93
  6. Step 6: Final answer
    x = 137,861.31

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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.