Home / 158,754.33-219,166.16-122,642.91

Finding the Fourth Proportional to 158,754.33, 219,166.16 and 122,642.91

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Solution

The fourth proportional to 158,754.33, 219,166.16 and 122,642.91 is: 169,313.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,754.33 : 219,166.16 = 122,642.91 : x
  2. Step 2: Convert to fraction form
    158,754.33/219,166.16 = 122,642.91/x
  3. Step 3: Cross multiply
    158,754.33x = 219,166.16 × 122,642.91
  4. Step 4: Simplify right side
    158,754.33x = 26,879,175,022.71
  5. Step 5: Solve for x
    x = 26,879,175,022.71/158,754.33
  6. Step 6: Final answer
    x = 169,313.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.