Home / 253,519.07-349,860.45-138,795.79

Finding the Fourth Proportional to 253,519.07, 349,860.45 and 138,795.79

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Solution

The fourth proportional to 253,519.07, 349,860.45 and 138,795.79 is: 191,540.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,519.07 : 349,860.45 = 138,795.79 : x
  2. Step 2: Convert to fraction form
    253,519.07/349,860.45 = 138,795.79/x
  3. Step 3: Cross multiply
    253,519.07x = 349,860.45 × 138,795.79
  4. Step 4: Simplify right side
    253,519.07x = 48,559,157,547.51
  5. Step 5: Solve for x
    x = 48,559,157,547.51/253,519.07
  6. Step 6: Final answer
    x = 191,540.45

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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.