Home / 151,742.93-227,639.12-56,980.45

Finding the Fourth Proportional to 151,742.93, 227,639.12 and 56,980.45

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Solution

The fourth proportional to 151,742.93, 227,639.12 and 56,980.45 is: 85,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.93 : 227,639.12 = 56,980.45 : x
  2. Step 2: Convert to fraction form
    151,742.93/227,639.12 = 56,980.45/x
  3. Step 3: Cross multiply
    151,742.93x = 227,639.12 × 56,980.45
  4. Step 4: Simplify right side
    151,742.93x = 12,970,979,495.20
  5. Step 5: Solve for x
    x = 12,970,979,495.20/151,742.93
  6. Step 6: Final answer
    x = 85,479.96

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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.