Home / 219,533.64-302,970.42-134,639.16

Finding the Fourth Proportional to 219,533.64, 302,970.42 and 134,639.16

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Solution

The fourth proportional to 219,533.64, 302,970.42 and 134,639.16 is: 185,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,533.64 : 302,970.42 = 134,639.16 : x
  2. Step 2: Convert to fraction form
    219,533.64/302,970.42 = 134,639.16/x
  3. Step 3: Cross multiply
    219,533.64x = 302,970.42 × 134,639.16
  4. Step 4: Simplify right side
    219,533.64x = 40,791,682,853.65
  5. Step 5: Solve for x
    x = 40,791,682,853.65/219,533.64
  6. Step 6: Final answer
    x = 185,810.62

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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.