Home / 154,400.04-231,526.08-75,421.80

Finding the Fourth Proportional to 154,400.04, 231,526.08 and 75,421.80

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Solution

The fourth proportional to 154,400.04, 231,526.08 and 75,421.80 is: 113,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,400.04 : 231,526.08 = 75,421.80 : x
  2. Step 2: Convert to fraction form
    154,400.04/231,526.08 = 75,421.80/x
  3. Step 3: Cross multiply
    154,400.04x = 231,526.08 × 75,421.80
  4. Step 4: Simplify right side
    154,400.04x = 17,462,113,700.54
  5. Step 5: Solve for x
    x = 17,462,113,700.54/154,400.04
  6. Step 6: Final answer
    x = 113,096.56

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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.