Home / 187,301.80-280,952.70-74,999.35

Finding the Fourth Proportional to 187,301.80, 280,952.70 and 74,999.35

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Solution

The fourth proportional to 187,301.80, 280,952.70 and 74,999.35 is: 112,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,301.80 : 280,952.70 = 74,999.35 : x
  2. Step 2: Convert to fraction form
    187,301.80/280,952.70 = 74,999.35/x
  3. Step 3: Cross multiply
    187,301.80x = 280,952.70 × 74,999.35
  4. Step 4: Simplify right side
    187,301.80x = 21,071,269,880.75
  5. Step 5: Solve for x
    x = 21,071,269,880.75/187,301.80
  6. Step 6: Final answer
    x = 112,499.03

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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.