Home / 211,088.71-316,665.89-70,880.14

Finding the Fourth Proportional to 211,088.71, 316,665.89 and 70,880.14

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Solution

The fourth proportional to 211,088.71, 316,665.89 and 70,880.14 is: 106,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,088.71 : 316,665.89 = 70,880.14 : x
  2. Step 2: Convert to fraction form
    211,088.71/316,665.89 = 70,880.14/x
  3. Step 3: Cross multiply
    211,088.71x = 316,665.89 × 70,880.14
  4. Step 4: Simplify right side
    211,088.71x = 22,445,322,923.66
  5. Step 5: Solve for x
    x = 22,445,322,923.66/211,088.71
  6. Step 6: Final answer
    x = 106,331.23

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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.