Home / 104,038.42-143,573.02-56,291.76

Finding the Fourth Proportional to 104,038.42, 143,573.02 and 56,291.76

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Solution

The fourth proportional to 104,038.42, 143,573.02 and 56,291.76 is: 77,682.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.42 : 143,573.02 = 56,291.76 : x
  2. Step 2: Convert to fraction form
    104,038.42/143,573.02 = 56,291.76/x
  3. Step 3: Cross multiply
    104,038.42x = 143,573.02 × 56,291.76
  4. Step 4: Simplify right side
    104,038.42x = 8,081,977,984.32
  5. Step 5: Solve for x
    x = 8,081,977,984.32/104,038.42
  6. Step 6: Final answer
    x = 77,682.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.