Home / 149,048.88-223,573.28-86,675.64

Finding the Fourth Proportional to 149,048.88, 223,573.28 and 86,675.64

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Solution

The fourth proportional to 149,048.88, 223,573.28 and 86,675.64 is: 130,013.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,048.88 : 223,573.28 = 86,675.64 : x
  2. Step 2: Convert to fraction form
    149,048.88/223,573.28 = 86,675.64/x
  3. Step 3: Cross multiply
    149,048.88x = 223,573.28 × 86,675.64
  4. Step 4: Simplify right side
    149,048.88x = 19,378,357,130.90
  5. Step 5: Solve for x
    x = 19,378,357,130.90/149,048.88
  6. Step 6: Final answer
    x = 130,013.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.