Home / 219,557.32-302,989.50-118,955.32

Finding the Fourth Proportional to 219,557.32, 302,989.50 and 118,955.32

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Solution

The fourth proportional to 219,557.32, 302,989.50 and 118,955.32 is: 164,158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,557.32 : 302,989.50 = 118,955.32 : x
  2. Step 2: Convert to fraction form
    219,557.32/302,989.50 = 118,955.32/x
  3. Step 3: Cross multiply
    219,557.32x = 302,989.50 × 118,955.32
  4. Step 4: Simplify right side
    219,557.32x = 36,042,212,929.14
  5. Step 5: Solve for x
    x = 36,042,212,929.14/219,557.32
  6. Step 6: Final answer
    x = 164,158.56

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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.