Home / 143,084.64-197,509.80-122,860.30

Finding the Fourth Proportional to 143,084.64, 197,509.80 and 122,860.30

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Solution

The fourth proportional to 143,084.64, 197,509.80 and 122,860.30 is: 169,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,084.64 : 197,509.80 = 122,860.30 : x
  2. Step 2: Convert to fraction form
    143,084.64/197,509.80 = 122,860.30/x
  3. Step 3: Cross multiply
    143,084.64x = 197,509.80 × 122,860.30
  4. Step 4: Simplify right side
    143,084.64x = 24,266,113,280.94
  5. Step 5: Solve for x
    x = 24,266,113,280.94/143,084.64
  6. Step 6: Final answer
    x = 169,592.72

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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.