Home / 166,256.80-249,385.20-83,120.80

Finding the Fourth Proportional to 166,256.80, 249,385.20 and 83,120.80

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Solution

The fourth proportional to 166,256.80, 249,385.20 and 83,120.80 is: 124,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,256.80 : 249,385.20 = 83,120.80 : x
  2. Step 2: Convert to fraction form
    166,256.80/249,385.20 = 83,120.80/x
  3. Step 3: Cross multiply
    166,256.80x = 249,385.20 × 83,120.80
  4. Step 4: Simplify right side
    166,256.80x = 20,729,097,332.16
  5. Step 5: Solve for x
    x = 20,729,097,332.16/166,256.80
  6. Step 6: Final answer
    x = 124,681.20

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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.