Home / 160,756.20-221,587.80-126,709.44

Finding the Fourth Proportional to 160,756.20, 221,587.80 and 126,709.44

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Solution

The fourth proportional to 160,756.20, 221,587.80 and 126,709.44 is: 174,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,756.20 : 221,587.80 = 126,709.44 : x
  2. Step 2: Convert to fraction form
    160,756.20/221,587.80 = 126,709.44/x
  3. Step 3: Cross multiply
    160,756.20x = 221,587.80 × 126,709.44
  4. Step 4: Simplify right side
    160,756.20x = 28,077,266,048.83
  5. Step 5: Solve for x
    x = 28,077,266,048.83/160,756.20
  6. Step 6: Final answer
    x = 174,657.44

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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.