Home / 208,389.02-287,577.96-112,895.96

Finding the Fourth Proportional to 208,389.02, 287,577.96 and 112,895.96

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Solution

The fourth proportional to 208,389.02, 287,577.96 and 112,895.96 is: 155,797.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,389.02 : 287,577.96 = 112,895.96 : x
  2. Step 2: Convert to fraction form
    208,389.02/287,577.96 = 112,895.96/x
  3. Step 3: Cross multiply
    208,389.02x = 287,577.96 × 112,895.96
  4. Step 4: Simplify right side
    208,389.02x = 32,466,389,869.04
  5. Step 5: Solve for x
    x = 32,466,389,869.04/208,389.02
  6. Step 6: Final answer
    x = 155,797.03

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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.