Home / 286,539.93-429,899.91-118,139.51

Finding the Fourth Proportional to 286,539.93, 429,899.91 and 118,139.51

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Solution

The fourth proportional to 286,539.93, 429,899.91 and 118,139.51 is: 177,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,539.93 : 429,899.91 = 118,139.51 : x
  2. Step 2: Convert to fraction form
    286,539.93/429,899.91 = 118,139.51/x
  3. Step 3: Cross multiply
    286,539.93x = 429,899.91 × 118,139.51
  4. Step 4: Simplify right side
    286,539.93x = 50,788,165,348.17
  5. Step 5: Solve for x
    x = 50,788,165,348.17/286,539.93
  6. Step 6: Final answer
    x = 177,246.38

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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.