Home / 185,625.02-256,162.68-100,742.07

Finding the Fourth Proportional to 185,625.02, 256,162.68 and 100,742.07

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Solution

The fourth proportional to 185,625.02, 256,162.68 and 100,742.07 is: 139,024.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.02 : 256,162.68 = 100,742.07 : x
  2. Step 2: Convert to fraction form
    185,625.02/256,162.68 = 100,742.07/x
  3. Step 3: Cross multiply
    185,625.02x = 256,162.68 × 100,742.07
  4. Step 4: Simplify right side
    185,625.02x = 25,806,358,639.95
  5. Step 5: Solve for x
    x = 25,806,358,639.95/185,625.02
  6. Step 6: Final answer
    x = 139,024.14

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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.