Home / 154,030.40-231,045.60-43,222.40

Finding the Fourth Proportional to 154,030.40, 231,045.60 and 43,222.40

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Solution

The fourth proportional to 154,030.40, 231,045.60 and 43,222.40 is: 64,833.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,030.40 : 231,045.60 = 43,222.40 : x
  2. Step 2: Convert to fraction form
    154,030.40/231,045.60 = 43,222.40/x
  3. Step 3: Cross multiply
    154,030.40x = 231,045.60 × 43,222.40
  4. Step 4: Simplify right side
    154,030.40x = 9,986,345,341.44
  5. Step 5: Solve for x
    x = 9,986,345,341.44/154,030.40
  6. Step 6: Final answer
    x = 64,833.60

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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.