Home / 143,172.08-197,567.32-89,466.92

Finding the Fourth Proportional to 143,172.08, 197,567.32 and 89,466.92

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Solution

The fourth proportional to 143,172.08, 197,567.32 and 89,466.92 is: 123,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,172.08 : 197,567.32 = 89,466.92 : x
  2. Step 2: Convert to fraction form
    143,172.08/197,567.32 = 89,466.92/x
  3. Step 3: Cross multiply
    143,172.08x = 197,567.32 × 89,466.92
  4. Step 4: Simplify right side
    143,172.08x = 17,675,739,613.05
  5. Step 5: Solve for x
    x = 17,675,739,613.05/143,172.08
  6. Step 6: Final answer
    x = 123,458.01

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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.