Home / 161,219.21-241,828.52-42,890.55

Finding the Fourth Proportional to 161,219.21, 241,828.52 and 42,890.55

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Solution

The fourth proportional to 161,219.21, 241,828.52 and 42,890.55 is: 64,335.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,219.21 : 241,828.52 = 42,890.55 : x
  2. Step 2: Convert to fraction form
    161,219.21/241,828.52 = 42,890.55/x
  3. Step 3: Cross multiply
    161,219.21x = 241,828.52 × 42,890.55
  4. Step 4: Simplify right side
    161,219.21x = 10,372,158,335.71
  5. Step 5: Solve for x
    x = 10,372,158,335.71/161,219.21
  6. Step 6: Final answer
    x = 64,335.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.