Home / 166,281.63-249,422.46-99,638.31

Finding the Fourth Proportional to 166,281.63, 249,422.46 and 99,638.31

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Solution

The fourth proportional to 166,281.63, 249,422.46 and 99,638.31 is: 149,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,281.63 : 249,422.46 = 99,638.31 : x
  2. Step 2: Convert to fraction form
    166,281.63/249,422.46 = 99,638.31/x
  3. Step 3: Cross multiply
    166,281.63x = 249,422.46 × 99,638.31
  4. Step 4: Simplify right side
    166,281.63x = 24,852,032,390.44
  5. Step 5: Solve for x
    x = 24,852,032,390.44/166,281.63
  6. Step 6: Final answer
    x = 149,457.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.