Home / 239,018.18-358,443.48-70,493.72

Finding the Fourth Proportional to 239,018.18, 358,443.48 and 70,493.72

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Solution

The fourth proportional to 239,018.18, 358,443.48 and 70,493.72 is: 105,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,018.18 : 358,443.48 = 70,493.72 : x
  2. Step 2: Convert to fraction form
    239,018.18/358,443.48 = 70,493.72/x
  3. Step 3: Cross multiply
    239,018.18x = 358,443.48 × 70,493.72
  4. Step 4: Simplify right side
    239,018.18x = 25,268,014,314.95
  5. Step 5: Solve for x
    x = 25,268,014,314.95/239,018.18
  6. Step 6: Final answer
    x = 105,715.87

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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.