Home / 156,591.36-235,010.16-72,390.24

Finding the Fourth Proportional to 156,591.36, 235,010.16 and 72,390.24

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Solution

The fourth proportional to 156,591.36, 235,010.16 and 72,390.24 is: 108,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,591.36 : 235,010.16 = 72,390.24 : x
  2. Step 2: Convert to fraction form
    156,591.36/235,010.16 = 72,390.24/x
  3. Step 3: Cross multiply
    156,591.36x = 235,010.16 × 72,390.24
  4. Step 4: Simplify right side
    156,591.36x = 17,012,441,884.84
  5. Step 5: Solve for x
    x = 17,012,441,884.84/156,591.36
  6. Step 6: Final answer
    x = 108,642.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.