Home / 187,276.36-258,378.07-106,646.71

Finding the Fourth Proportional to 187,276.36, 258,378.07 and 106,646.71

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Solution

The fourth proportional to 187,276.36, 258,378.07 and 106,646.71 is: 147,136.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,276.36 : 258,378.07 = 106,646.71 : x
  2. Step 2: Convert to fraction form
    187,276.36/258,378.07 = 106,646.71/x
  3. Step 3: Cross multiply
    187,276.36x = 258,378.07 × 106,646.71
  4. Step 4: Simplify right side
    187,276.36x = 27,555,169,276.53
  5. Step 5: Solve for x
    x = 27,555,169,276.53/187,276.36
  6. Step 6: Final answer
    x = 147,136.40

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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.