Home / 143,477.67-197,881.28-127,356.75

Finding the Fourth Proportional to 143,477.67, 197,881.28 and 127,356.75

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Solution

The fourth proportional to 143,477.67, 197,881.28 and 127,356.75 is: 175,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,477.67 : 197,881.28 = 127,356.75 : x
  2. Step 2: Convert to fraction form
    143,477.67/197,881.28 = 127,356.75/x
  3. Step 3: Cross multiply
    143,477.67x = 197,881.28 × 127,356.75
  4. Step 4: Simplify right side
    143,477.67x = 25,201,516,069.86
  5. Step 5: Solve for x
    x = 25,201,516,069.86/143,477.67
  6. Step 6: Final answer
    x = 175,647.65

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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.