Home / 118,146.60-162,984.96-75,116.16

Finding the Fourth Proportional to 118,146.60, 162,984.96 and 75,116.16

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Solution

The fourth proportional to 118,146.60, 162,984.96 and 75,116.16 is: 103,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,146.60 : 162,984.96 = 75,116.16 : x
  2. Step 2: Convert to fraction form
    118,146.60/162,984.96 = 75,116.16/x
  3. Step 3: Cross multiply
    118,146.60x = 162,984.96 × 75,116.16
  4. Step 4: Simplify right side
    118,146.60x = 12,242,804,332.95
  5. Step 5: Solve for x
    x = 12,242,804,332.95/118,146.60
  6. Step 6: Final answer
    x = 103,623.84

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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.