Home / 144,941.48-200,021.32-87,572.84

Finding the Fourth Proportional to 144,941.48, 200,021.32 and 87,572.84

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Solution

The fourth proportional to 144,941.48, 200,021.32 and 87,572.84 is: 120,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,941.48 : 200,021.32 = 87,572.84 : x
  2. Step 2: Convert to fraction form
    144,941.48/200,021.32 = 87,572.84/x
  3. Step 3: Cross multiply
    144,941.48x = 200,021.32 × 87,572.84
  4. Step 4: Simplify right side
    144,941.48x = 17,516,435,052.95
  5. Step 5: Solve for x
    x = 17,516,435,052.95/144,941.48
  6. Step 6: Final answer
    x = 120,851.77

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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.