Home / 166,210.32-249,456.40-66,440.96

Finding the Fourth Proportional to 166,210.32, 249,456.40 and 66,440.96

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Solution

The fourth proportional to 166,210.32, 249,456.40 and 66,440.96 is: 99,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,210.32 : 249,456.40 = 66,440.96 : x
  2. Step 2: Convert to fraction form
    166,210.32/249,456.40 = 66,440.96/x
  3. Step 3: Cross multiply
    166,210.32x = 249,456.40 × 66,440.96
  4. Step 4: Simplify right side
    166,210.32x = 16,574,122,694.14
  5. Step 5: Solve for x
    x = 16,574,122,694.14/166,210.32
  6. Step 6: Final answer
    x = 99,717.77

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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.