Home / 162,331.58-242,308.62-143,157.21

Finding the Fourth Proportional to 162,331.58, 242,308.62 and 143,157.21

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Solution

The fourth proportional to 162,331.58, 242,308.62 and 143,157.21 is: 213,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,331.58 : 242,308.62 = 143,157.21 : x
  2. Step 2: Convert to fraction form
    162,331.58/242,308.62 = 143,157.21/x
  3. Step 3: Cross multiply
    162,331.58x = 242,308.62 × 143,157.21
  4. Step 4: Simplify right side
    162,331.58x = 34,688,225,998.15
  5. Step 5: Solve for x
    x = 34,688,225,998.15/162,331.58
  6. Step 6: Final answer
    x = 213,687.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.