Home / 145,347.69-200,584.36-87,997.53

Finding the Fourth Proportional to 145,347.69, 200,584.36 and 87,997.53

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Solution

The fourth proportional to 145,347.69, 200,584.36 and 87,997.53 is: 121,439.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,347.69 : 200,584.36 = 87,997.53 : x
  2. Step 2: Convert to fraction form
    145,347.69/200,584.36 = 87,997.53/x
  3. Step 3: Cross multiply
    145,347.69x = 200,584.36 × 87,997.53
  4. Step 4: Simplify right side
    145,347.69x = 17,650,928,236.63
  5. Step 5: Solve for x
    x = 17,650,928,236.63/145,347.69
  6. Step 6: Final answer
    x = 121,439.34

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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.