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Finding the Fourth Proportional to 160,145.58, 221,000.81 and 88,525.58

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Solution

The fourth proportional to 160,145.58, 221,000.81 and 88,525.58 is: 122,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,145.58 : 221,000.81 = 88,525.58 : x
  2. Step 2: Convert to fraction form
    160,145.58/221,000.81 = 88,525.58/x
  3. Step 3: Cross multiply
    160,145.58x = 221,000.81 × 88,525.58
  4. Step 4: Simplify right side
    160,145.58x = 19,564,224,885.72
  5. Step 5: Solve for x
    x = 19,564,224,885.72/160,145.58
  6. Step 6: Final answer
    x = 122,165.25

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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.