Home / 166,255.15-249,218.70-81,946.30

Finding the Fourth Proportional to 166,255.15, 249,218.70 and 81,946.30

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Solution

The fourth proportional to 166,255.15, 249,218.70 and 81,946.30 is: 122,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,255.15 : 249,218.70 = 81,946.30 : x
  2. Step 2: Convert to fraction form
    166,255.15/249,218.70 = 81,946.30/x
  3. Step 3: Cross multiply
    166,255.15x = 249,218.70 × 81,946.30
  4. Step 4: Simplify right side
    166,255.15x = 20,422,550,355.81
  5. Step 5: Solve for x
    x = 20,422,550,355.81/166,255.15
  6. Step 6: Final answer
    x = 122,838.60

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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.