Home / 160,221.12-221,108.88-88,602.54

Finding the Fourth Proportional to 160,221.12, 221,108.88 and 88,602.54

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Solution

The fourth proportional to 160,221.12, 221,108.88 and 88,602.54 is: 122,273.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,221.12 : 221,108.88 = 88,602.54 : x
  2. Step 2: Convert to fraction form
    160,221.12/221,108.88 = 88,602.54/x
  3. Step 3: Cross multiply
    160,221.12x = 221,108.88 × 88,602.54
  4. Step 4: Simplify right side
    160,221.12x = 19,590,808,384.56
  5. Step 5: Solve for x
    x = 19,590,808,384.56/160,221.12
  6. Step 6: Final answer
    x = 122,273.57

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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.