Home / 166,280.40-249,420.60-144,629.10

Finding the Fourth Proportional to 166,280.40, 249,420.60 and 144,629.10

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Solution

The fourth proportional to 166,280.40, 249,420.60 and 144,629.10 is: 216,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,280.40 : 249,420.60 = 144,629.10 : x
  2. Step 2: Convert to fraction form
    166,280.40/249,420.60 = 144,629.10/x
  3. Step 3: Cross multiply
    166,280.40x = 249,420.60 × 144,629.10
  4. Step 4: Simplify right side
    166,280.40x = 36,073,476,899.46
  5. Step 5: Solve for x
    x = 36,073,476,899.46/166,280.40
  6. Step 6: Final answer
    x = 216,943.65

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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.