Home / 163,434.30-245,249.37-69,940.14

Finding the Fourth Proportional to 163,434.30, 245,249.37 and 69,940.14

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Solution

The fourth proportional to 163,434.30, 245,249.37 and 69,940.14 is: 104,952.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434.30 : 245,249.37 = 69,940.14 : x
  2. Step 2: Convert to fraction form
    163,434.30/245,249.37 = 69,940.14/x
  3. Step 3: Cross multiply
    163,434.30x = 245,249.37 × 69,940.14
  4. Step 4: Simplify right side
    163,434.30x = 17,152,775,272.71
  5. Step 5: Solve for x
    x = 17,152,775,272.71/163,434.30
  6. Step 6: Final answer
    x = 104,952.11

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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.