Home / 213,421.08-294,513.18-117,925.80

Finding the Fourth Proportional to 213,421.08, 294,513.18 and 117,925.80

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Solution

The fourth proportional to 213,421.08, 294,513.18 and 117,925.80 is: 162,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,421.08 : 294,513.18 = 117,925.80 : x
  2. Step 2: Convert to fraction form
    213,421.08/294,513.18 = 117,925.80/x
  3. Step 3: Cross multiply
    213,421.08x = 294,513.18 × 117,925.80
  4. Step 4: Simplify right side
    213,421.08x = 34,730,702,362.04
  5. Step 5: Solve for x
    x = 34,730,702,362.04/213,421.08
  6. Step 6: Final answer
    x = 162,733.23

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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.