Home / 219,331.32-302,678.13-118,729.32

Finding the Fourth Proportional to 219,331.32, 302,678.13 and 118,729.32

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Solution

The fourth proportional to 219,331.32, 302,678.13 and 118,729.32 is: 163,846.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,331.32 : 302,678.13 = 118,729.32 : x
  2. Step 2: Convert to fraction form
    219,331.32/302,678.13 = 118,729.32/x
  3. Step 3: Cross multiply
    219,331.32x = 302,678.13 × 118,729.32
  4. Step 4: Simplify right side
    219,331.32x = 35,936,768,553.77
  5. Step 5: Solve for x
    x = 35,936,768,553.77/219,331.32
  6. Step 6: Final answer
    x = 163,846.95

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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.