Home / 97,218.08-145,830.24-30,658.80

Finding the Fourth Proportional to 97,218.08, 145,830.24 and 30,658.80

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Solution

The fourth proportional to 97,218.08, 145,830.24 and 30,658.80 is: 45,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,218.08 : 145,830.24 = 30,658.80 : x
  2. Step 2: Convert to fraction form
    97,218.08/145,830.24 = 30,658.80/x
  3. Step 3: Cross multiply
    97,218.08x = 145,830.24 × 30,658.80
  4. Step 4: Simplify right side
    97,218.08x = 4,470,980,162.11
  5. Step 5: Solve for x
    x = 4,470,980,162.11/97,218.08
  6. Step 6: Final answer
    x = 45,989.18

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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.