Home / 145,285.08-200,484.23-84,872.85

Finding the Fourth Proportional to 145,285.08, 200,484.23 and 84,872.85

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Solution

The fourth proportional to 145,285.08, 200,484.23 and 84,872.85 is: 117,119.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,285.08 : 200,484.23 = 84,872.85 : x
  2. Step 2: Convert to fraction form
    145,285.08/200,484.23 = 84,872.85/x
  3. Step 3: Cross multiply
    145,285.08x = 200,484.23 × 84,872.85
  4. Step 4: Simplify right side
    145,285.08x = 17,015,667,555.79
  5. Step 5: Solve for x
    x = 17,015,667,555.79/145,285.08
  6. Step 6: Final answer
    x = 117,119.17

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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.