Home / 219,428.77-302,809.95-118,826.77

Finding the Fourth Proportional to 219,428.77, 302,809.95 and 118,826.77

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Solution

The fourth proportional to 219,428.77, 302,809.95 and 118,826.77 is: 163,979.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,428.77 : 302,809.95 = 118,826.77 : x
  2. Step 2: Convert to fraction form
    219,428.77/302,809.95 = 118,826.77/x
  3. Step 3: Cross multiply
    219,428.77x = 302,809.95 × 118,826.77
  4. Step 4: Simplify right side
    219,428.77x = 35,981,928,282.36
  5. Step 5: Solve for x
    x = 35,981,928,282.36/219,428.77
  6. Step 6: Final answer
    x = 163,979.99

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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.