Home / 118,419.40-163,413.90-64,706.26

Finding the Fourth Proportional to 118,419.40, 163,413.90 and 64,706.26

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Solution

The fourth proportional to 118,419.40, 163,413.90 and 64,706.26 is: 89,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,419.40 : 163,413.90 = 64,706.26 : x
  2. Step 2: Convert to fraction form
    118,419.40/163,413.90 = 64,706.26/x
  3. Step 3: Cross multiply
    118,419.40x = 163,413.90 × 64,706.26
  4. Step 4: Simplify right side
    118,419.40x = 10,573,902,301.01
  5. Step 5: Solve for x
    x = 10,573,902,301.01/118,419.40
  6. Step 6: Final answer
    x = 89,291.98

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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.