Home / 213,437.60-320,172.64-63,666.16

Finding the Fourth Proportional to 213,437.60, 320,172.64 and 63,666.16

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Solution

The fourth proportional to 213,437.60, 320,172.64 and 63,666.16 is: 95,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,437.60 : 320,172.64 = 63,666.16 : x
  2. Step 2: Convert to fraction form
    213,437.60/320,172.64 = 63,666.16/x
  3. Step 3: Cross multiply
    213,437.60x = 320,172.64 × 63,666.16
  4. Step 4: Simplify right side
    213,437.60x = 20,384,162,525.86
  5. Step 5: Solve for x
    x = 20,384,162,525.86/213,437.60
  6. Step 6: Final answer
    x = 95,504.08

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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.