Home / 144,938.40-200,015.02-81,276.24

Finding the Fourth Proportional to 144,938.40, 200,015.02 and 81,276.24

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Solution

The fourth proportional to 144,938.40, 200,015.02 and 81,276.24 is: 112,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,938.40 : 200,015.02 = 81,276.24 : x
  2. Step 2: Convert to fraction form
    144,938.40/200,015.02 = 81,276.24/x
  3. Step 3: Cross multiply
    144,938.40x = 200,015.02 × 81,276.24
  4. Step 4: Simplify right side
    144,938.40x = 16,256,468,769.12
  5. Step 5: Solve for x
    x = 16,256,468,769.12/144,938.40
  6. Step 6: Final answer
    x = 112,161.23

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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.