Home / 166,415.15-249,458.70-82,106.30

Finding the Fourth Proportional to 166,415.15, 249,458.70 and 82,106.30

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Solution

The fourth proportional to 166,415.15, 249,458.70 and 82,106.30 is: 123,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415.15 : 249,458.70 = 82,106.30 : x
  2. Step 2: Convert to fraction form
    166,415.15/249,458.70 = 82,106.30/x
  3. Step 3: Cross multiply
    166,415.15x = 249,458.70 × 82,106.30
  4. Step 4: Simplify right side
    166,415.15x = 20,482,130,859.81
  5. Step 5: Solve for x
    x = 20,482,130,859.81/166,415.15
  6. Step 6: Final answer
    x = 123,078.52

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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.