Home / 249,210.72-343,909.80-136,033.56

Finding the Fourth Proportional to 249,210.72, 343,909.80 and 136,033.56

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Solution

The fourth proportional to 249,210.72, 343,909.80 and 136,033.56 is: 187,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,210.72 : 343,909.80 = 136,033.56 : x
  2. Step 2: Convert to fraction form
    249,210.72/343,909.80 = 136,033.56/x
  3. Step 3: Cross multiply
    249,210.72x = 343,909.80 × 136,033.56
  4. Step 4: Simplify right side
    249,210.72x = 46,783,274,412.89
  5. Step 5: Solve for x
    x = 46,783,274,412.89/249,210.72
  6. Step 6: Final answer
    x = 187,725.77

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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.