Home / 156,980.73-235,479.27-51,807.90

Finding the Fourth Proportional to 156,980.73, 235,479.27 and 51,807.90

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Solution

The fourth proportional to 156,980.73, 235,479.27 and 51,807.90 is: 77,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,980.73 : 235,479.27 = 51,807.90 : x
  2. Step 2: Convert to fraction form
    156,980.73/235,479.27 = 51,807.90/x
  3. Step 3: Cross multiply
    156,980.73x = 235,479.27 × 51,807.90
  4. Step 4: Simplify right side
    156,980.73x = 12,199,686,472.23
  5. Step 5: Solve for x
    x = 12,199,686,472.23/156,980.73
  6. Step 6: Final answer
    x = 77,714.55

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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.