Home / 251,012.48-346,397.64-137,842.40

Finding the Fourth Proportional to 251,012.48, 346,397.64 and 137,842.40

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Solution

The fourth proportional to 251,012.48, 346,397.64 and 137,842.40 is: 190,222.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,012.48 : 346,397.64 = 137,842.40 : x
  2. Step 2: Convert to fraction form
    251,012.48/346,397.64 = 137,842.40/x
  3. Step 3: Cross multiply
    251,012.48x = 346,397.64 × 137,842.40
  4. Step 4: Simplify right side
    251,012.48x = 47,748,282,051.94
  5. Step 5: Solve for x
    x = 47,748,282,051.94/251,012.48
  6. Step 6: Final answer
    x = 190,222.74

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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.