Home / 113,425.23-170,124.89-30,325.71

Finding the Fourth Proportional to 113,425.23, 170,124.89 and 30,325.71

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Solution

The fourth proportional to 113,425.23, 170,124.89 and 30,325.71 is: 45,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.23 : 170,124.89 = 30,325.71 : x
  2. Step 2: Convert to fraction form
    113,425.23/170,124.89 = 30,325.71/x
  3. Step 3: Cross multiply
    113,425.23x = 170,124.89 × 30,325.71
  4. Step 4: Simplify right side
    113,425.23x = 5,159,157,926.29
  5. Step 5: Solve for x
    x = 5,159,157,926.29/113,425.23
  6. Step 6: Final answer
    x = 45,485.10

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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.