Home / 163,818.72-245,727.90-51,508.76

Finding the Fourth Proportional to 163,818.72, 245,727.90 and 51,508.76

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Solution

The fourth proportional to 163,818.72, 245,727.90 and 51,508.76 is: 77,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,818.72 : 245,727.90 = 51,508.76 : x
  2. Step 2: Convert to fraction form
    163,818.72/245,727.90 = 51,508.76/x
  3. Step 3: Cross multiply
    163,818.72x = 245,727.90 × 51,508.76
  4. Step 4: Simplify right side
    163,818.72x = 12,657,138,197.76
  5. Step 5: Solve for x
    x = 12,657,138,197.76/163,818.72
  6. Step 6: Final answer
    x = 77,263.08

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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.