Home / 208,725.91-288,041.80-118,080.00

Finding the Fourth Proportional to 208,725.91, 288,041.80 and 118,080.00

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Solution

The fourth proportional to 208,725.91, 288,041.80 and 118,080.00 is: 162,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,725.91 : 288,041.80 = 118,080.00 : x
  2. Step 2: Convert to fraction form
    208,725.91/288,041.80 = 118,080.00/x
  3. Step 3: Cross multiply
    208,725.91x = 288,041.80 × 118,080.00
  4. Step 4: Simplify right side
    208,725.91x = 34,011,976,148.22
  5. Step 5: Solve for x
    x = 34,011,976,148.22/208,725.91
  6. Step 6: Final answer
    x = 162,950.42

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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.