Home / 107,012.00-147,584.40-66,683.72

Finding the Fourth Proportional to 107,012.00, 147,584.40 and 66,683.72

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Solution

The fourth proportional to 107,012.00, 147,584.40 and 66,683.72 is: 91,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,012.00 : 147,584.40 = 66,683.72 : x
  2. Step 2: Convert to fraction form
    107,012.00/147,584.40 = 66,683.72/x
  3. Step 3: Cross multiply
    107,012.00x = 147,584.40 × 66,683.72
  4. Step 4: Simplify right side
    107,012.00x = 9,841,476,068.05
  5. Step 5: Solve for x
    x = 9,841,476,068.05/107,012.00
  6. Step 6: Final answer
    x = 91,966.10

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1.5x scale

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.