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Finding the Fourth Proportional to 169,856.52, 254,785.38 and 51,528.88

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Solution

The fourth proportional to 169,856.52, 254,785.38 and 51,528.88 is: 77,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,856.52 : 254,785.38 = 51,528.88 : x
  2. Step 2: Convert to fraction form
    169,856.52/254,785.38 = 51,528.88/x
  3. Step 3: Cross multiply
    169,856.52x = 254,785.38 × 51,528.88
  4. Step 4: Simplify right side
    169,856.52x = 13,128,805,271.77
  5. Step 5: Solve for x
    x = 13,128,805,271.77/169,856.52
  6. Step 6: Final answer
    x = 77,293.50

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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.