Home / 249,085.16-343,738.86-135,910.34

Finding the Fourth Proportional to 249,085.16, 343,738.86 and 135,910.34

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Solution

The fourth proportional to 249,085.16, 343,738.86 and 135,910.34 is: 187,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,085.16 : 343,738.86 = 135,910.34 : x
  2. Step 2: Convert to fraction form
    249,085.16/343,738.86 = 135,910.34/x
  3. Step 3: Cross multiply
    249,085.16x = 343,738.86 × 135,910.34
  4. Step 4: Simplify right side
    249,085.16x = 46,717,665,333.81
  5. Step 5: Solve for x
    x = 46,717,665,333.81/249,085.16
  6. Step 6: Final answer
    x = 187,557.00

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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.