Home / 114,688.64-158,284.32-72,246.44

Finding the Fourth Proportional to 114,688.64, 158,284.32 and 72,246.44

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Solution

The fourth proportional to 114,688.64, 158,284.32 and 72,246.44 is: 99,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,688.64 : 158,284.32 = 72,246.44 : x
  2. Step 2: Convert to fraction form
    114,688.64/158,284.32 = 72,246.44/x
  3. Step 3: Cross multiply
    114,688.64x = 158,284.32 × 72,246.44
  4. Step 4: Simplify right side
    114,688.64x = 11,435,478,627.82
  5. Step 5: Solve for x
    x = 11,435,478,627.82/114,688.64
  6. Step 6: Final answer
    x = 99,708.90

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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.