Home / 187,295.72-280,901.44-54,146.32

Finding the Fourth Proportional to 187,295.72, 280,901.44 and 54,146.32

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Solution

The fourth proportional to 187,295.72, 280,901.44 and 54,146.32 is: 81,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,295.72 : 280,901.44 = 54,146.32 : x
  2. Step 2: Convert to fraction form
    187,295.72/280,901.44 = 54,146.32/x
  3. Step 3: Cross multiply
    187,295.72x = 280,901.44 × 54,146.32
  4. Step 4: Simplify right side
    187,295.72x = 15,209,779,258.70
  5. Step 5: Solve for x
    x = 15,209,779,258.70/187,295.72
  6. Step 6: Final answer
    x = 81,207.30

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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.