Home / 425,435.86-637,927.98-125,875.18

Finding the Fourth Proportional to 425,435.86, 637,927.98 and 125,875.18

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Solution

The fourth proportional to 425,435.86, 637,927.98 and 125,875.18 is: 188,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,435.86 : 637,927.98 = 125,875.18 : x
  2. Step 2: Convert to fraction form
    425,435.86/637,927.98 = 125,875.18/x
  3. Step 3: Cross multiply
    425,435.86x = 637,927.98 × 125,875.18
  4. Step 4: Simplify right side
    425,435.86x = 80,299,299,309.54
  5. Step 5: Solve for x
    x = 80,299,299,309.54/425,435.86
  6. Step 6: Final answer
    x = 188,745.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.