Home / 211,628.34-292,001.49-122,152.50

Finding the Fourth Proportional to 211,628.34, 292,001.49 and 122,152.50

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Solution

The fourth proportional to 211,628.34, 292,001.49 and 122,152.50 is: 168,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,628.34 : 292,001.49 = 122,152.50 : x
  2. Step 2: Convert to fraction form
    211,628.34/292,001.49 = 122,152.50/x
  3. Step 3: Cross multiply
    211,628.34x = 292,001.49 × 122,152.50
  4. Step 4: Simplify right side
    211,628.34x = 35,668,712,007.23
  5. Step 5: Solve for x
    x = 35,668,712,007.23/211,628.34
  6. Step 6: Final answer
    x = 168,544.12

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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.