Home / 162,189.90-223,927.38-145,164.66

Finding the Fourth Proportional to 162,189.90, 223,927.38 and 145,164.66

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Solution

The fourth proportional to 162,189.90, 223,927.38 and 145,164.66 is: 200,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,189.90 : 223,927.38 = 145,164.66 : x
  2. Step 2: Convert to fraction form
    162,189.90/223,927.38 = 145,164.66/x
  3. Step 3: Cross multiply
    162,189.90x = 223,927.38 × 145,164.66
  4. Step 4: Simplify right side
    162,189.90x = 32,506,341,982.39
  5. Step 5: Solve for x
    x = 32,506,341,982.39/162,189.90
  6. Step 6: Final answer
    x = 200,421.49

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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.