Home / 187,325.88-280,914.85-74,985.15

Finding the Fourth Proportional to 187,325.88, 280,914.85 and 74,985.15

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Solution

The fourth proportional to 187,325.88, 280,914.85 and 74,985.15 is: 112,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,325.88 : 280,914.85 = 74,985.15 : x
  2. Step 2: Convert to fraction form
    187,325.88/280,914.85 = 74,985.15/x
  3. Step 3: Cross multiply
    187,325.88x = 280,914.85 × 74,985.15
  4. Step 4: Simplify right side
    187,325.88x = 21,064,442,164.48
  5. Step 5: Solve for x
    x = 21,064,442,164.48/187,325.88
  6. Step 6: Final answer
    x = 112,448.12

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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.