Home / 112,281.96-168,373.65-42,112.08

Finding the Fourth Proportional to 112,281.96, 168,373.65 and 42,112.08

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Solution

The fourth proportional to 112,281.96, 168,373.65 and 42,112.08 is: 63,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,281.96 : 168,373.65 = 42,112.08 : x
  2. Step 2: Convert to fraction form
    112,281.96/168,373.65 = 42,112.08/x
  3. Step 3: Cross multiply
    112,281.96x = 168,373.65 × 42,112.08
  4. Step 4: Simplify right side
    112,281.96x = 7,090,564,618.69
  5. Step 5: Solve for x
    x = 7,090,564,618.69/112,281.96
  6. Step 6: Final answer
    x = 63,149.63

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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.