Home / 136,437.49-186,920.04-131,323.95

Finding the Fourth Proportional to 136,437.49, 186,920.04 and 131,323.95

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Solution

The fourth proportional to 136,437.49, 186,920.04 and 131,323.95 is: 179,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,437.49 : 186,920.04 = 131,323.95 : x
  2. Step 2: Convert to fraction form
    136,437.49/186,920.04 = 131,323.95/x
  3. Step 3: Cross multiply
    136,437.49x = 186,920.04 × 131,323.95
  4. Step 4: Simplify right side
    136,437.49x = 24,547,077,986.96
  5. Step 5: Solve for x
    x = 24,547,077,986.96/136,437.49
  6. Step 6: Final answer
    x = 179,914.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.