Home / 219,434.90-302,940.68-137,848.26

Finding the Fourth Proportional to 219,434.90, 302,940.68 and 137,848.26

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Solution

The fourth proportional to 219,434.90, 302,940.68 and 137,848.26 is: 190,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,434.90 : 302,940.68 = 137,848.26 : x
  2. Step 2: Convert to fraction form
    219,434.90/302,940.68 = 137,848.26/x
  3. Step 3: Cross multiply
    219,434.90x = 302,940.68 × 137,848.26
  4. Step 4: Simplify right side
    219,434.90x = 41,759,845,621.22
  5. Step 5: Solve for x
    x = 41,759,845,621.22/219,434.90
  6. Step 6: Final answer
    x = 190,306.31

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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.