Home / 150,938.64-208,293.12-87,282.36

Finding the Fourth Proportional to 150,938.64, 208,293.12 and 87,282.36

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Solution

The fourth proportional to 150,938.64, 208,293.12 and 87,282.36 is: 120,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,938.64 : 208,293.12 = 87,282.36 : x
  2. Step 2: Convert to fraction form
    150,938.64/208,293.12 = 87,282.36/x
  3. Step 3: Cross multiply
    150,938.64x = 208,293.12 × 87,282.36
  4. Step 4: Simplify right side
    150,938.64x = 18,180,315,085.36
  5. Step 5: Solve for x
    x = 18,180,315,085.36/150,938.64
  6. Step 6: Final answer
    x = 120,448.38

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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.