Home / 143,273.84-197,635.55-89,465.45

Finding the Fourth Proportional to 143,273.84, 197,635.55 and 89,465.45

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Solution

The fourth proportional to 143,273.84, 197,635.55 and 89,465.45 is: 123,410.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,273.84 : 197,635.55 = 89,465.45 : x
  2. Step 2: Convert to fraction form
    143,273.84/197,635.55 = 89,465.45/x
  3. Step 3: Cross multiply
    143,273.84x = 197,635.55 × 89,465.45
  4. Step 4: Simplify right side
    143,273.84x = 17,681,551,981.24
  5. Step 5: Solve for x
    x = 17,681,551,981.24/143,273.84
  6. Step 6: Final answer
    x = 123,410.89

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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.