Home / 180,551.41-249,157.87-99,977.20

Finding the Fourth Proportional to 180,551.41, 249,157.87 and 99,977.20

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Solution

The fourth proportional to 180,551.41, 249,157.87 and 99,977.20 is: 137,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,551.41 : 249,157.87 = 99,977.20 : x
  2. Step 2: Convert to fraction form
    180,551.41/249,157.87 = 99,977.20/x
  3. Step 3: Cross multiply
    180,551.41x = 249,157.87 × 99,977.20
  4. Step 4: Simplify right side
    180,551.41x = 24,910,106,200.56
  5. Step 5: Solve for x
    x = 24,910,106,200.56/180,551.41
  6. Step 6: Final answer
    x = 137,966.84

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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.