Home / 156,727.36-234,777.28-89,980.16

Finding the Fourth Proportional to 156,727.36, 234,777.28 and 89,980.16

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Solution

The fourth proportional to 156,727.36, 234,777.28 and 89,980.16 is: 134,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,727.36 : 234,777.28 = 89,980.16 : x
  2. Step 2: Convert to fraction form
    156,727.36/234,777.28 = 89,980.16/x
  3. Step 3: Cross multiply
    156,727.36x = 234,777.28 × 89,980.16
  4. Step 4: Simplify right side
    156,727.36x = 21,125,297,218.76
  5. Step 5: Solve for x
    x = 21,125,297,218.76/156,727.36
  6. Step 6: Final answer
    x = 134,790.10

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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.