Home / 188,521-260,143.52-110,984.36

Finding the Fourth Proportional to 188,521, 260,143.52 and 110,984.36

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Solution

The fourth proportional to 188,521, 260,143.52 and 110,984.36 is: 153,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,521 : 260,143.52 = 110,984.36 : x
  2. Step 2: Convert to fraction form
    188,521/260,143.52 = 110,984.36/x
  3. Step 3: Cross multiply
    188,521x = 260,143.52 × 110,984.36
  4. Step 4: Simplify right side
    188,521x = 28,871,862,075.35
  5. Step 5: Solve for x
    x = 28,871,862,075.35/188,521
  6. Step 6: Final answer
    x = 153,149.32

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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.