Home / 219,111.52-302,395.92-134,284.96

Finding the Fourth Proportional to 219,111.52, 302,395.92 and 134,284.96

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Solution

The fourth proportional to 219,111.52, 302,395.92 and 134,284.96 is: 185,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,111.52 : 302,395.92 = 134,284.96 : x
  2. Step 2: Convert to fraction form
    219,111.52/302,395.92 = 134,284.96/x
  3. Step 3: Cross multiply
    219,111.52x = 302,395.92 × 134,284.96
  4. Step 4: Simplify right side
    219,111.52x = 40,607,224,021.36
  5. Step 5: Solve for x
    x = 40,607,224,021.36/219,111.52
  6. Step 6: Final answer
    x = 185,326.74

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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.