Home / 118,385.73-163,345.41-70,629.75

Finding the Fourth Proportional to 118,385.73, 163,345.41 and 70,629.75

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Solution

The fourth proportional to 118,385.73, 163,345.41 and 70,629.75 is: 97,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,385.73 : 163,345.41 = 70,629.75 : x
  2. Step 2: Convert to fraction form
    118,385.73/163,345.41 = 70,629.75/x
  3. Step 3: Cross multiply
    118,385.73x = 163,345.41 × 70,629.75
  4. Step 4: Simplify right side
    118,385.73x = 11,537,045,471.95
  5. Step 5: Solve for x
    x = 11,537,045,471.95/118,385.73
  6. Step 6: Final answer
    x = 97,453.01

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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.