Home / 160,385.67-221,348.70-92,405.21

Finding the Fourth Proportional to 160,385.67, 221,348.70 and 92,405.21

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Solution

The fourth proportional to 160,385.67, 221,348.70 and 92,405.21 is: 127,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,385.67 : 221,348.70 = 92,405.21 : x
  2. Step 2: Convert to fraction form
    160,385.67/221,348.70 = 92,405.21/x
  3. Step 3: Cross multiply
    160,385.67x = 221,348.70 × 92,405.21
  4. Step 4: Simplify right side
    160,385.67x = 20,453,771,999.98
  5. Step 5: Solve for x
    x = 20,453,771,999.98/160,385.67
  6. Step 6: Final answer
    x = 127,528.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.