Home / 162,127.56-223,559.70-105,433.80

Finding the Fourth Proportional to 162,127.56, 223,559.70 and 105,433.80

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Solution

The fourth proportional to 162,127.56, 223,559.70 and 105,433.80 is: 145,383.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,127.56 : 223,559.70 = 105,433.80 : x
  2. Step 2: Convert to fraction form
    162,127.56/223,559.70 = 105,433.80/x
  3. Step 3: Cross multiply
    162,127.56x = 223,559.70 × 105,433.80
  4. Step 4: Simplify right side
    162,127.56x = 23,570,748,697.86
  5. Step 5: Solve for x
    x = 23,570,748,697.86/162,127.56
  6. Step 6: Final answer
    x = 145,383.97

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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.