Home / 160,499.14-221,415.33-103,928.74

Finding the Fourth Proportional to 160,499.14, 221,415.33 and 103,928.74

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Solution

The fourth proportional to 160,499.14, 221,415.33 and 103,928.74 is: 143,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,499.14 : 221,415.33 = 103,928.74 : x
  2. Step 2: Convert to fraction form
    160,499.14/221,415.33 = 103,928.74/x
  3. Step 3: Cross multiply
    160,499.14x = 221,415.33 × 103,928.74
  4. Step 4: Simplify right side
    160,499.14x = 23,011,416,263.58
  5. Step 5: Solve for x
    x = 23,011,416,263.58/160,499.14
  6. Step 6: Final answer
    x = 143,374.08

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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.