Home / 286,770.58-429,904.36-109,159.45

Finding the Fourth Proportional to 286,770.58, 429,904.36 and 109,159.45

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Solution

The fourth proportional to 286,770.58, 429,904.36 and 109,159.45 is: 163,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,770.58 : 429,904.36 = 109,159.45 : x
  2. Step 2: Convert to fraction form
    286,770.58/429,904.36 = 109,159.45/x
  3. Step 3: Cross multiply
    286,770.58x = 429,904.36 × 109,159.45
  4. Step 4: Simplify right side
    286,770.58x = 46,928,122,551.89
  5. Step 5: Solve for x
    x = 46,928,122,551.89/286,770.58
  6. Step 6: Final answer
    x = 163,643.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.