Home / 200,289.12-276,104.52-152,459.16

Finding the Fourth Proportional to 200,289.12, 276,104.52 and 152,459.16

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Solution

The fourth proportional to 200,289.12, 276,104.52 and 152,459.16 is: 210,169.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,289.12 : 276,104.52 = 152,459.16 : x
  2. Step 2: Convert to fraction form
    200,289.12/276,104.52 = 152,459.16/x
  3. Step 3: Cross multiply
    200,289.12x = 276,104.52 × 152,459.16
  4. Step 4: Simplify right side
    200,289.12x = 42,094,663,191.40
  5. Step 5: Solve for x
    x = 42,094,663,191.40/200,289.12
  6. Step 6: Final answer
    x = 210,169.49

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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.