Home / 170,072.30-255,205.65-64,966.70

Finding the Fourth Proportional to 170,072.30, 255,205.65 and 64,966.70

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Solution

The fourth proportional to 170,072.30, 255,205.65 and 64,966.70 is: 97,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,072.30 : 255,205.65 = 64,966.70 : x
  2. Step 2: Convert to fraction form
    170,072.30/255,205.65 = 64,966.70/x
  3. Step 3: Cross multiply
    170,072.30x = 255,205.65 × 64,966.70
  4. Step 4: Simplify right side
    170,072.30x = 16,579,868,901.86
  5. Step 5: Solve for x
    x = 16,579,868,901.86/170,072.30
  6. Step 6: Final answer
    x = 97,487.18

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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.