Home / 160,155.63-221,036.72-92,171.21

Finding the Fourth Proportional to 160,155.63, 221,036.72 and 92,171.21

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Solution

The fourth proportional to 160,155.63, 221,036.72 and 92,171.21 is: 127,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,155.63 : 221,036.72 = 92,171.21 : x
  2. Step 2: Convert to fraction form
    160,155.63/221,036.72 = 92,171.21/x
  3. Step 3: Cross multiply
    160,155.63x = 221,036.72 × 92,171.21
  4. Step 4: Simplify right side
    160,155.63x = 20,373,220,370.79
  5. Step 5: Solve for x
    x = 20,373,220,370.79/160,155.63
  6. Step 6: Final answer
    x = 127,208.89

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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.