Home / 219,538.16-302,960.76-118,935.92

Finding the Fourth Proportional to 219,538.16, 302,960.76 and 118,935.92

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Solution

The fourth proportional to 219,538.16, 302,960.76 and 118,935.92 is: 164,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,538.16 : 302,960.76 = 118,935.92 : x
  2. Step 2: Convert to fraction form
    219,538.16/302,960.76 = 118,935.92/x
  3. Step 3: Cross multiply
    219,538.16x = 302,960.76 × 118,935.92
  4. Step 4: Simplify right side
    219,538.16x = 36,032,916,714.50
  5. Step 5: Solve for x
    x = 36,032,916,714.50/219,538.16
  6. Step 6: Final answer
    x = 164,130.54

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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.