Home / 118,413.39-163,405.62-64,700.25

Finding the Fourth Proportional to 118,413.39, 163,405.62 and 64,700.25

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Solution

The fourth proportional to 118,413.39, 163,405.62 and 64,700.25 is: 89,283.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,413.39 : 163,405.62 = 64,700.25 : x
  2. Step 2: Convert to fraction form
    118,413.39/163,405.62 = 64,700.25/x
  3. Step 3: Cross multiply
    118,413.39x = 163,405.62 × 64,700.25
  4. Step 4: Simplify right side
    118,413.39x = 10,572,384,465.41
  5. Step 5: Solve for x
    x = 10,572,384,465.41/118,413.39
  6. Step 6: Final answer
    x = 89,283.69

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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.