Home / 249,012.57-343,636.93-135,835.32

Finding the Fourth Proportional to 249,012.57, 343,636.93 and 135,835.32

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Solution

The fourth proportional to 249,012.57, 343,636.93 and 135,835.32 is: 187,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,012.57 : 343,636.93 = 135,835.32 : x
  2. Step 2: Convert to fraction form
    249,012.57/343,636.93 = 135,835.32/x
  3. Step 3: Cross multiply
    249,012.57x = 343,636.93 × 135,835.32
  4. Step 4: Simplify right side
    249,012.57x = 46,678,032,350.37
  5. Step 5: Solve for x
    x = 46,678,032,350.37/249,012.57
  6. Step 6: Final answer
    x = 187,452.51

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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.