Home / 126,135.68-174,063.64-69,547.12

Finding the Fourth Proportional to 126,135.68, 174,063.64 and 69,547.12

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Solution

The fourth proportional to 126,135.68, 174,063.64 and 69,547.12 is: 95,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,135.68 : 174,063.64 = 69,547.12 : x
  2. Step 2: Convert to fraction form
    126,135.68/174,063.64 = 69,547.12/x
  3. Step 3: Cross multiply
    126,135.68x = 174,063.64 × 69,547.12
  4. Step 4: Simplify right side
    126,135.68x = 12,105,624,858.72
  5. Step 5: Solve for x
    x = 12,105,624,858.72/126,135.68
  6. Step 6: Final answer
    x = 95,973.04

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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.