Home / 208,384.02-287,571.06-112,890.96

Finding the Fourth Proportional to 208,384.02, 287,571.06 and 112,890.96

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Solution

The fourth proportional to 208,384.02, 287,571.06 and 112,890.96 is: 155,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,384.02 : 287,571.06 = 112,890.96 : x
  2. Step 2: Convert to fraction form
    208,384.02/287,571.06 = 112,890.96/x
  3. Step 3: Cross multiply
    208,384.02x = 287,571.06 × 112,890.96
  4. Step 4: Simplify right side
    208,384.02x = 32,464,173,031.62
  5. Step 5: Solve for x
    x = 32,464,173,031.62/208,384.02
  6. Step 6: Final answer
    x = 155,790.13

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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.