Home / 143,178.12-197,798.03-94,235.16

Finding the Fourth Proportional to 143,178.12, 197,798.03 and 94,235.16

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Solution

The fourth proportional to 143,178.12, 197,798.03 and 94,235.16 is: 130,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,178.12 : 197,798.03 = 94,235.16 : x
  2. Step 2: Convert to fraction form
    143,178.12/197,798.03 = 94,235.16/x
  3. Step 3: Cross multiply
    143,178.12x = 197,798.03 × 94,235.16
  4. Step 4: Simplify right side
    143,178.12x = 18,639,528,533.56
  5. Step 5: Solve for x
    x = 18,639,528,533.56/143,178.12
  6. Step 6: Final answer
    x = 130,184.20

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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.