Home / 144,322.04-199,165.74-79,790.34

Finding the Fourth Proportional to 144,322.04, 199,165.74 and 79,790.34

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Solution

The fourth proportional to 144,322.04, 199,165.74 and 79,790.34 is: 110,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,322.04 : 199,165.74 = 79,790.34 : x
  2. Step 2: Convert to fraction form
    144,322.04/199,165.74 = 79,790.34/x
  3. Step 3: Cross multiply
    144,322.04x = 199,165.74 × 79,790.34
  4. Step 4: Simplify right side
    144,322.04x = 15,891,502,110.95
  5. Step 5: Solve for x
    x = 15,891,502,110.95/144,322.04
  6. Step 6: Final answer
    x = 110,111.40

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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.