Home / 144,235.04-199,047.51-80,572.95

Finding the Fourth Proportional to 144,235.04, 199,047.51 and 80,572.95

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Solution

The fourth proportional to 144,235.04, 199,047.51 and 80,572.95 is: 111,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,235.04 : 199,047.51 = 80,572.95 : x
  2. Step 2: Convert to fraction form
    144,235.04/199,047.51 = 80,572.95/x
  3. Step 3: Cross multiply
    144,235.04x = 199,047.51 × 80,572.95
  4. Step 4: Simplify right side
    144,235.04x = 16,037,845,070.85
  5. Step 5: Solve for x
    x = 16,037,845,070.85/144,235.04
  6. Step 6: Final answer
    x = 111,192.44

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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.