Home / 166,066.21-249,232.16-87,226.93

Finding the Fourth Proportional to 166,066.21, 249,232.16 and 87,226.93

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Solution

The fourth proportional to 166,066.21, 249,232.16 and 87,226.93 is: 130,910.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,066.21 : 249,232.16 = 87,226.93 : x
  2. Step 2: Convert to fraction form
    166,066.21/249,232.16 = 87,226.93/x
  3. Step 3: Cross multiply
    166,066.21x = 249,232.16 × 87,226.93
  4. Step 4: Simplify right side
    166,066.21x = 21,739,756,174.07
  5. Step 5: Solve for x
    x = 21,739,756,174.07/166,066.21
  6. Step 6: Final answer
    x = 130,910.17

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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.