Home / 112,347.46-168,437.94-53,113.96

Finding the Fourth Proportional to 112,347.46, 168,437.94 and 53,113.96

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Solution

The fourth proportional to 112,347.46, 168,437.94 and 53,113.96 is: 79,631.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,347.46 : 168,437.94 = 53,113.96 : x
  2. Step 2: Convert to fraction form
    112,347.46/168,437.94 = 53,113.96/x
  3. Step 3: Cross multiply
    112,347.46x = 168,437.94 × 53,113.96
  4. Step 4: Simplify right side
    112,347.46x = 8,946,406,007.64
  5. Step 5: Solve for x
    x = 8,946,406,007.64/112,347.46
  6. Step 6: Final answer
    x = 79,631.58

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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.