Home / 286,581.54-429,216.75-136,927.02

Finding the Fourth Proportional to 286,581.54, 429,216.75 and 136,927.02

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Solution

The fourth proportional to 286,581.54, 429,216.75 and 136,927.02 is: 205,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,581.54 : 429,216.75 = 136,927.02 : x
  2. Step 2: Convert to fraction form
    286,581.54/429,216.75 = 136,927.02/x
  3. Step 3: Cross multiply
    286,581.54x = 429,216.75 × 136,927.02
  4. Step 4: Simplify right side
    286,581.54x = 58,771,370,511.59
  5. Step 5: Solve for x
    x = 58,771,370,511.59/286,581.54
  6. Step 6: Final answer
    x = 205,077.31

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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.