Home / 166,210.82-249,457.15-66,441.46

Finding the Fourth Proportional to 166,210.82, 249,457.15 and 66,441.46

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Solution

The fourth proportional to 166,210.82, 249,457.15 and 66,441.46 is: 99,718.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,210.82 : 249,457.15 = 66,441.46 : x
  2. Step 2: Convert to fraction form
    166,210.82/249,457.15 = 66,441.46/x
  3. Step 3: Cross multiply
    166,210.82x = 249,457.15 × 66,441.46
  4. Step 4: Simplify right side
    166,210.82x = 16,574,297,253.44
  5. Step 5: Solve for x
    x = 16,574,297,253.44/166,210.82
  6. Step 6: Final answer
    x = 99,718.52

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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.