Home / 144,476.48-199,394.08-80,830.40

Finding the Fourth Proportional to 144,476.48, 199,394.08 and 80,830.40

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Solution

The fourth proportional to 144,476.48, 199,394.08 and 80,830.40 is: 111,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,476.48 : 199,394.08 = 80,830.40 : x
  2. Step 2: Convert to fraction form
    144,476.48/199,394.08 = 80,830.40/x
  3. Step 3: Cross multiply
    144,476.48x = 199,394.08 × 80,830.40
  4. Step 4: Simplify right side
    144,476.48x = 16,117,103,244.03
  5. Step 5: Solve for x
    x = 16,117,103,244.03/144,476.48
  6. Step 6: Final answer
    x = 111,555.20

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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.