Home / 127,413.30-175,815.09-70,043.16

Finding the Fourth Proportional to 127,413.30, 175,815.09 and 70,043.16

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Solution

The fourth proportional to 127,413.30, 175,815.09 and 70,043.16 is: 96,651.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,413.30 : 175,815.09 = 70,043.16 : x
  2. Step 2: Convert to fraction form
    127,413.30/175,815.09 = 70,043.16/x
  3. Step 3: Cross multiply
    127,413.30x = 175,815.09 × 70,043.16
  4. Step 4: Simplify right side
    127,413.30x = 12,314,644,479.28
  5. Step 5: Solve for x
    x = 12,314,644,479.28/127,413.30
  6. Step 6: Final answer
    x = 96,651.17

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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.