Home / 112,774.11-169,140.72-45,303.42

Finding the Fourth Proportional to 112,774.11, 169,140.72 and 45,303.42

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Solution

The fourth proportional to 112,774.11, 169,140.72 and 45,303.42 is: 67,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,774.11 : 169,140.72 = 45,303.42 : x
  2. Step 2: Convert to fraction form
    112,774.11/169,140.72 = 45,303.42/x
  3. Step 3: Cross multiply
    112,774.11x = 169,140.72 × 45,303.42
  4. Step 4: Simplify right side
    112,774.11x = 7,662,653,077.26
  5. Step 5: Solve for x
    x = 7,662,653,077.26/112,774.11
  6. Step 6: Final answer
    x = 67,946.92

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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.