Home / 119,850.10-165,386.70-66,124.60

Finding the Fourth Proportional to 119,850.10, 165,386.70 and 66,124.60

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Solution

The fourth proportional to 119,850.10, 165,386.70 and 66,124.60 is: 91,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,850.10 : 165,386.70 = 66,124.60 : x
  2. Step 2: Convert to fraction form
    119,850.10/165,386.70 = 66,124.60/x
  3. Step 3: Cross multiply
    119,850.10x = 165,386.70 × 66,124.60
  4. Step 4: Simplify right side
    119,850.10x = 10,936,129,382.82
  5. Step 5: Solve for x
    x = 10,936,129,382.82/119,850.10
  6. Step 6: Final answer
    x = 91,248.40

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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.