Home / 156,169.02-215,425.32-98,790.60

Finding the Fourth Proportional to 156,169.02, 215,425.32 and 98,790.60

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Solution

The fourth proportional to 156,169.02, 215,425.32 and 98,790.60 is: 136,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,169.02 : 215,425.32 = 98,790.60 : x
  2. Step 2: Convert to fraction form
    156,169.02/215,425.32 = 98,790.60/x
  3. Step 3: Cross multiply
    156,169.02x = 215,425.32 × 98,790.60
  4. Step 4: Simplify right side
    156,169.02x = 21,281,996,617.99
  5. Step 5: Solve for x
    x = 21,281,996,617.99/156,169.02
  6. Step 6: Final answer
    x = 136,275.41

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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.