Home / 356,165.14-534,275.34-103,449.70

Finding the Fourth Proportional to 356,165.14, 534,275.34 and 103,449.70

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Solution

The fourth proportional to 356,165.14, 534,275.34 and 103,449.70 is: 155,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,165.14 : 534,275.34 = 103,449.70 : x
  2. Step 2: Convert to fraction form
    356,165.14/534,275.34 = 103,449.70/x
  3. Step 3: Cross multiply
    356,165.14x = 534,275.34 × 103,449.70
  4. Step 4: Simplify right side
    356,165.14x = 55,270,623,640.40
  5. Step 5: Solve for x
    x = 55,270,623,640.40/356,165.14
  6. Step 6: Final answer
    x = 155,182.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.