Home / 163,550.80-245,326.20-137,112.40

Finding the Fourth Proportional to 163,550.80, 245,326.20 and 137,112.40

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Solution

The fourth proportional to 163,550.80, 245,326.20 and 137,112.40 is: 205,668.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,550.80 : 245,326.20 = 137,112.40 : x
  2. Step 2: Convert to fraction form
    163,550.80/245,326.20 = 137,112.40/x
  3. Step 3: Cross multiply
    163,550.80x = 245,326.20 × 137,112.40
  4. Step 4: Simplify right side
    163,550.80x = 33,637,264,064.88
  5. Step 5: Solve for x
    x = 33,637,264,064.88/163,550.80
  6. Step 6: Final answer
    x = 205,668.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.