Home / 160,335.95-221,260.20-87,738.55

Finding the Fourth Proportional to 160,335.95, 221,260.20 and 87,738.55

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Solution

The fourth proportional to 160,335.95, 221,260.20 and 87,738.55 is: 121,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,335.95 : 221,260.20 = 87,738.55 : x
  2. Step 2: Convert to fraction form
    160,335.95/221,260.20 = 87,738.55/x
  3. Step 3: Cross multiply
    160,335.95x = 221,260.20 × 87,738.55
  4. Step 4: Simplify right side
    160,335.95x = 19,413,048,682.02
  5. Step 5: Solve for x
    x = 19,413,048,682.02/160,335.95
  6. Step 6: Final answer
    x = 121,077.33

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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.