Home / 160,639.86-221,579.10-126,595.56

Finding the Fourth Proportional to 160,639.86, 221,579.10 and 126,595.56

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Solution

The fourth proportional to 160,639.86, 221,579.10 and 126,595.56 is: 174,619.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,639.86 : 221,579.10 = 126,595.56 : x
  2. Step 2: Convert to fraction form
    160,639.86/221,579.10 = 126,595.56/x
  3. Step 3: Cross multiply
    160,639.86x = 221,579.10 × 126,595.56
  4. Step 4: Simplify right side
    160,639.86x = 28,050,930,248.80
  5. Step 5: Solve for x
    x = 28,050,930,248.80/160,639.86
  6. Step 6: Final answer
    x = 174,619.99

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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.