Home / 210,913.40-291,015.48-124,899.40

Finding the Fourth Proportional to 210,913.40, 291,015.48 and 124,899.40

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Solution

The fourth proportional to 210,913.40, 291,015.48 and 124,899.40 is: 172,334.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,913.40 : 291,015.48 = 124,899.40 : x
  2. Step 2: Convert to fraction form
    210,913.40/291,015.48 = 124,899.40/x
  3. Step 3: Cross multiply
    210,913.40x = 291,015.48 × 124,899.40
  4. Step 4: Simplify right side
    210,913.40x = 36,347,659,674.85
  5. Step 5: Solve for x
    x = 36,347,659,674.85/210,913.40
  6. Step 6: Final answer
    x = 172,334.52

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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.