Home / 144,307.32-199,015.14-90,597.34

Finding the Fourth Proportional to 144,307.32, 199,015.14 and 90,597.34

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Solution

The fourth proportional to 144,307.32, 199,015.14 and 90,597.34 is: 124,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.32 : 199,015.14 = 90,597.34 : x
  2. Step 2: Convert to fraction form
    144,307.32/199,015.14 = 90,597.34/x
  3. Step 3: Cross multiply
    144,307.32x = 199,015.14 × 90,597.34
  4. Step 4: Simplify right side
    144,307.32x = 18,030,242,303.73
  5. Step 5: Solve for x
    x = 18,030,242,303.73/144,307.32
  6. Step 6: Final answer
    x = 124,943.37

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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.