Home / 145,057.01-200,173.47-80,529.05

Finding the Fourth Proportional to 145,057.01, 200,173.47 and 80,529.05

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Solution

The fourth proportional to 145,057.01, 200,173.47 and 80,529.05 is: 111,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,057.01 : 200,173.47 = 80,529.05 : x
  2. Step 2: Convert to fraction form
    145,057.01/200,173.47 = 80,529.05/x
  3. Step 3: Cross multiply
    145,057.01x = 200,173.47 × 80,529.05
  4. Step 4: Simplify right side
    145,057.01x = 16,119,778,373.44
  5. Step 5: Solve for x
    x = 16,119,778,373.44/145,057.01
  6. Step 6: Final answer
    x = 111,127.20

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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.