Home / 180,551.08-249,157.42-99,976.87

Finding the Fourth Proportional to 180,551.08, 249,157.42 and 99,976.87

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Solution

The fourth proportional to 180,551.08, 249,157.42 and 99,976.87 is: 137,966.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,551.08 : 249,157.42 = 99,976.87 : x
  2. Step 2: Convert to fraction form
    180,551.08/249,157.42 = 99,976.87/x
  3. Step 3: Cross multiply
    180,551.08x = 249,157.42 × 99,976.87
  4. Step 4: Simplify right side
    180,551.08x = 24,909,978,988.88
  5. Step 5: Solve for x
    x = 24,909,978,988.88/180,551.08
  6. Step 6: Final answer
    x = 137,966.38

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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.