Home / 219,004.96-302,225.52-118,402.72

Finding the Fourth Proportional to 219,004.96, 302,225.52 and 118,402.72

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Solution

The fourth proportional to 219,004.96, 302,225.52 and 118,402.72 is: 163,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,004.96 : 302,225.52 = 118,402.72 : x
  2. Step 2: Convert to fraction form
    219,004.96/302,225.52 = 118,402.72/x
  3. Step 3: Cross multiply
    219,004.96x = 302,225.52 × 118,402.72
  4. Step 4: Simplify right side
    219,004.96x = 35,784,323,621.41
  5. Step 5: Solve for x
    x = 35,784,323,621.41/219,004.96
  6. Step 6: Final answer
    x = 163,395.04

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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.