Home / 253,528.07-349,865.73-138,805.34

Finding the Fourth Proportional to 253,528.07, 349,865.73 and 138,805.34

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Solution

The fourth proportional to 253,528.07, 349,865.73 and 138,805.34 is: 191,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,528.07 : 349,865.73 = 138,805.34 : x
  2. Step 2: Convert to fraction form
    253,528.07/349,865.73 = 138,805.34/x
  3. Step 3: Cross multiply
    253,528.07x = 349,865.73 × 138,805.34
  4. Step 4: Simplify right side
    253,528.07x = 48,563,229,857.67
  5. Step 5: Solve for x
    x = 48,563,229,857.67/253,528.07
  6. Step 6: Final answer
    x = 191,549.72

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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.