Home / 210,149.20-289,995.24-114,655.12

Finding the Fourth Proportional to 210,149.20, 289,995.24 and 114,655.12

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Solution

The fourth proportional to 210,149.20, 289,995.24 and 114,655.12 is: 158,218.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,149.20 : 289,995.24 = 114,655.12 : x
  2. Step 2: Convert to fraction form
    210,149.20/289,995.24 = 114,655.12/x
  3. Step 3: Cross multiply
    210,149.20x = 289,995.24 × 114,655.12
  4. Step 4: Simplify right side
    210,149.20x = 33,249,439,041.63
  5. Step 5: Solve for x
    x = 33,249,439,041.63/210,149.20
  6. Step 6: Final answer
    x = 158,218.25

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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.