Home / 145,554.40-200,757.52-100,246.72

Finding the Fourth Proportional to 145,554.40, 200,757.52 and 100,246.72

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Solution

The fourth proportional to 145,554.40, 200,757.52 and 100,246.72 is: 138,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554.40 : 200,757.52 = 100,246.72 : x
  2. Step 2: Convert to fraction form
    145,554.40/200,757.52 = 100,246.72/x
  3. Step 3: Cross multiply
    145,554.40x = 200,757.52 × 100,246.72
  4. Step 4: Simplify right side
    145,554.40x = 20,125,282,895.33
  5. Step 5: Solve for x
    x = 20,125,282,895.33/145,554.40
  6. Step 6: Final answer
    x = 138,266.40

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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.