Home / 144,491.49-199,438.32-84,073.80

Finding the Fourth Proportional to 144,491.49, 199,438.32 and 84,073.80

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Solution

The fourth proportional to 144,491.49, 199,438.32 and 84,073.80 is: 116,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,491.49 : 199,438.32 = 84,073.80 : x
  2. Step 2: Convert to fraction form
    144,491.49/199,438.32 = 84,073.80/x
  3. Step 3: Cross multiply
    144,491.49x = 199,438.32 × 84,073.80
  4. Step 4: Simplify right side
    144,491.49x = 16,767,537,428.02
  5. Step 5: Solve for x
    x = 16,767,537,428.02/144,491.49
  6. Step 6: Final answer
    x = 116,045.16

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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.