Home / 145,318.28-200,563.31-84,888.72

Finding the Fourth Proportional to 145,318.28, 200,563.31 and 84,888.72

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Solution

The fourth proportional to 145,318.28, 200,563.31 and 84,888.72 is: 117,160.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,318.28 : 200,563.31 = 84,888.72 : x
  2. Step 2: Convert to fraction form
    145,318.28/200,563.31 = 84,888.72/x
  3. Step 3: Cross multiply
    145,318.28x = 200,563.31 × 84,888.72
  4. Step 4: Simplify right side
    145,318.28x = 17,025,562,240.42
  5. Step 5: Solve for x
    x = 17,025,562,240.42/145,318.28
  6. Step 6: Final answer
    x = 117,160.50

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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.