Home / 155,011.52-213,508.48-119,132.88

Finding the Fourth Proportional to 155,011.52, 213,508.48 and 119,132.88

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Solution

The fourth proportional to 155,011.52, 213,508.48 and 119,132.88 is: 164,090.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,011.52 : 213,508.48 = 119,132.88 : x
  2. Step 2: Convert to fraction form
    155,011.52/213,508.48 = 119,132.88/x
  3. Step 3: Cross multiply
    155,011.52x = 213,508.48 × 119,132.88
  4. Step 4: Simplify right side
    155,011.52x = 25,435,880,126.82
  5. Step 5: Solve for x
    x = 25,435,880,126.82/155,011.52
  6. Step 6: Final answer
    x = 164,090.26

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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.