Home / 210,907.02-291,051.70-115,413.74

Finding the Fourth Proportional to 210,907.02, 291,051.70 and 115,413.74

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Solution

The fourth proportional to 210,907.02, 291,051.70 and 115,413.74 is: 159,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,907.02 : 291,051.70 = 115,413.74 : x
  2. Step 2: Convert to fraction form
    210,907.02/291,051.70 = 115,413.74/x
  3. Step 3: Cross multiply
    210,907.02x = 291,051.70 × 115,413.74
  4. Step 4: Simplify right side
    210,907.02x = 33,591,365,230.36
  5. Step 5: Solve for x
    x = 33,591,365,230.36/210,907.02
  6. Step 6: Final answer
    x = 159,270.97

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1.5x scale

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.