Home / 216,097.20-324,145.80-58,341.60

Finding the Fourth Proportional to 216,097.20, 324,145.80 and 58,341.60

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Solution

The fourth proportional to 216,097.20, 324,145.80 and 58,341.60 is: 87,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,097.20 : 324,145.80 = 58,341.60 : x
  2. Step 2: Convert to fraction form
    216,097.20/324,145.80 = 58,341.60/x
  3. Step 3: Cross multiply
    216,097.20x = 324,145.80 × 58,341.60
  4. Step 4: Simplify right side
    216,097.20x = 18,911,184,605.28
  5. Step 5: Solve for x
    x = 18,911,184,605.28/216,097.20
  6. Step 6: Final answer
    x = 87,512.40

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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.