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Finding the Fourth Proportional to 144,307.17, 199,014.97 and 90,597.19

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Solution

The fourth proportional to 144,307.17, 199,014.97 and 90,597.19 is: 124,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.17 : 199,014.97 = 90,597.19 : x
  2. Step 2: Convert to fraction form
    144,307.17/199,014.97 = 90,597.19/x
  3. Step 3: Cross multiply
    144,307.17x = 199,014.97 × 90,597.19
  4. Step 4: Simplify right side
    144,307.17x = 18,030,197,049.93
  5. Step 5: Solve for x
    x = 18,030,197,049.93/144,307.17
  6. Step 6: Final answer
    x = 124,943.18

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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.