Home / 160,128.44-220,988.72-88,506.94

Finding the Fourth Proportional to 160,128.44, 220,988.72 and 88,506.94

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Solution

The fourth proportional to 160,128.44, 220,988.72 and 88,506.94 is: 122,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,128.44 : 220,988.72 = 88,506.94 : x
  2. Step 2: Convert to fraction form
    160,128.44/220,988.72 = 88,506.94/x
  3. Step 3: Cross multiply
    160,128.44x = 220,988.72 × 88,506.94
  4. Step 4: Simplify right side
    160,128.44x = 19,559,035,381.72
  5. Step 5: Solve for x
    x = 19,559,035,381.72/160,128.44
  6. Step 6: Final answer
    x = 122,145.92

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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.