Home / 219,411.23-302,787.48-118,809.23

Finding the Fourth Proportional to 219,411.23, 302,787.48 and 118,809.23

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Solution

The fourth proportional to 219,411.23, 302,787.48 and 118,809.23 is: 163,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,411.23 : 302,787.48 = 118,809.23 : x
  2. Step 2: Convert to fraction form
    219,411.23/302,787.48 = 118,809.23/x
  3. Step 3: Cross multiply
    219,411.23x = 302,787.48 × 118,809.23
  4. Step 4: Simplify right side
    219,411.23x = 35,973,947,352.44
  5. Step 5: Solve for x
    x = 35,973,947,352.44/219,411.23
  6. Step 6: Final answer
    x = 163,956.73

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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.