Home / 208,630.06-287,925.36-117,987.82

Finding the Fourth Proportional to 208,630.06, 287,925.36 and 117,987.82

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Solution

The fourth proportional to 208,630.06, 287,925.36 and 117,987.82 is: 162,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,630.06 : 287,925.36 = 117,987.82 : x
  2. Step 2: Convert to fraction form
    208,630.06/287,925.36 = 117,987.82/x
  3. Step 3: Cross multiply
    208,630.06x = 287,925.36 × 117,987.82
  4. Step 4: Simplify right side
    208,630.06x = 33,971,685,549.12
  5. Step 5: Solve for x
    x = 33,971,685,549.12/208,630.06
  6. Step 6: Final answer
    x = 162,832.17

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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.