Home / 249,814.04-344,751.61-136,636.78

Finding the Fourth Proportional to 249,814.04, 344,751.61 and 136,636.78

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Solution

The fourth proportional to 249,814.04, 344,751.61 and 136,636.78 is: 188,563.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,814.04 : 344,751.61 = 136,636.78 : x
  2. Step 2: Convert to fraction form
    249,814.04/344,751.61 = 136,636.78/x
  3. Step 3: Cross multiply
    249,814.04x = 344,751.61 × 136,636.78
  4. Step 4: Simplify right side
    249,814.04x = 47,105,749,890.22
  5. Step 5: Solve for x
    x = 47,105,749,890.22/249,814.04
  6. Step 6: Final answer
    x = 188,563.26

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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.