Home / 253,189.24-349,387.02-138,445.10

Finding the Fourth Proportional to 253,189.24, 349,387.02 and 138,445.10

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Solution

The fourth proportional to 253,189.24, 349,387.02 and 138,445.10 is: 191,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,189.24 : 349,387.02 = 138,445.10 : x
  2. Step 2: Convert to fraction form
    253,189.24/349,387.02 = 138,445.10/x
  3. Step 3: Cross multiply
    253,189.24x = 349,387.02 × 138,445.10
  4. Step 4: Simplify right side
    253,189.24x = 48,370,920,922.60
  5. Step 5: Solve for x
    x = 48,370,920,922.60/253,189.24
  6. Step 6: Final answer
    x = 191,046.51

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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.