Home / 253,524.06-349,867.36-138,800.80

Finding the Fourth Proportional to 253,524.06, 349,867.36 and 138,800.80

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Solution

The fourth proportional to 253,524.06, 349,867.36 and 138,800.80 is: 191,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,524.06 : 349,867.36 = 138,800.80 : x
  2. Step 2: Convert to fraction form
    253,524.06/349,867.36 = 138,800.80/x
  3. Step 3: Cross multiply
    253,524.06x = 349,867.36 × 138,800.80
  4. Step 4: Simplify right side
    253,524.06x = 48,561,869,461.89
  5. Step 5: Solve for x
    x = 48,561,869,461.89/253,524.06
  6. Step 6: Final answer
    x = 191,547.38

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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.