Home / 141,636.04-212,585.34-71,564.68

Finding the Fourth Proportional to 141,636.04, 212,585.34 and 71,564.68

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Solution

The fourth proportional to 141,636.04, 212,585.34 and 71,564.68 is: 107,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,636.04 : 212,585.34 = 71,564.68 : x
  2. Step 2: Convert to fraction form
    141,636.04/212,585.34 = 71,564.68/x
  3. Step 3: Cross multiply
    141,636.04x = 212,585.34 × 71,564.68
  4. Step 4: Simplify right side
    141,636.04x = 15,213,601,829.79
  5. Step 5: Solve for x
    x = 15,213,601,829.79/141,636.04
  6. Step 6: Final answer
    x = 107,413.35

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1.5x scale

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.