Home / 219,288.60-302,618.24-118,686.60

Finding the Fourth Proportional to 219,288.60, 302,618.24 and 118,686.60

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Solution

The fourth proportional to 219,288.60, 302,618.24 and 118,686.60 is: 163,787.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,288.60 : 302,618.24 = 118,686.60 : x
  2. Step 2: Convert to fraction form
    219,288.60/302,618.24 = 118,686.60/x
  3. Step 3: Cross multiply
    219,288.60x = 302,618.24 × 118,686.60
  4. Step 4: Simplify right side
    219,288.60x = 35,916,730,003.58
  5. Step 5: Solve for x
    x = 35,916,730,003.58/219,288.60
  6. Step 6: Final answer
    x = 163,787.49

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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.