Home / 208,386.02-287,466.99-131,776.02

Finding the Fourth Proportional to 208,386.02, 287,466.99 and 131,776.02

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Solution

The fourth proportional to 208,386.02, 287,466.99 and 131,776.02 is: 181,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,386.02 : 287,466.99 = 131,776.02 : x
  2. Step 2: Convert to fraction form
    208,386.02/287,466.99 = 131,776.02/x
  3. Step 3: Cross multiply
    208,386.02x = 287,466.99 × 131,776.02
  4. Step 4: Simplify right side
    208,386.02x = 37,881,255,823.58
  5. Step 5: Solve for x
    x = 37,881,255,823.58/208,386.02
  6. Step 6: Final answer
    x = 181,784.06

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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.