Home / 160,138.07-220,980.93-88,513.82

Finding the Fourth Proportional to 160,138.07, 220,980.93 and 88,513.82

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Solution

The fourth proportional to 160,138.07, 220,980.93 and 88,513.82 is: 122,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,138.07 : 220,980.93 = 88,513.82 : x
  2. Step 2: Convert to fraction form
    160,138.07/220,980.93 = 88,513.82/x
  3. Step 3: Cross multiply
    160,138.07x = 220,980.93 × 88,513.82
  4. Step 4: Simplify right side
    160,138.07x = 19,559,866,261.45
  5. Step 5: Solve for x
    x = 19,559,866,261.45/160,138.07
  6. Step 6: Final answer
    x = 122,143.76

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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.