Home / 160,185.45-221,050.34-87,590.03

Finding the Fourth Proportional to 160,185.45, 221,050.34 and 87,590.03

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Solution

The fourth proportional to 160,185.45, 221,050.34 and 87,590.03 is: 120,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,185.45 : 221,050.34 = 87,590.03 : x
  2. Step 2: Convert to fraction form
    160,185.45/221,050.34 = 87,590.03/x
  3. Step 3: Cross multiply
    160,185.45x = 221,050.34 × 87,590.03
  4. Step 4: Simplify right side
    160,185.45x = 19,361,806,808.83
  5. Step 5: Solve for x
    x = 19,361,806,808.83/160,185.45
  6. Step 6: Final answer
    x = 120,871.20

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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.