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Finding the Fourth Proportional to 185,978.13, 256,649.63 and 101,095.80

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Solution

The fourth proportional to 185,978.13, 256,649.63 and 101,095.80 is: 139,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,978.13 : 256,649.63 = 101,095.80 : x
  2. Step 2: Convert to fraction form
    185,978.13/256,649.63 = 101,095.80/x
  3. Step 3: Cross multiply
    185,978.13x = 256,649.63 × 101,095.80
  4. Step 4: Simplify right side
    185,978.13x = 25,946,199,159.08
  5. Step 5: Solve for x
    x = 25,946,199,159.08/185,978.13
  6. Step 6: Final answer
    x = 139,512.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.