Home / 211,341.66-316,937.16-69,152.64

Finding the Fourth Proportional to 211,341.66, 316,937.16 and 69,152.64

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Solution

The fourth proportional to 211,341.66, 316,937.16 and 69,152.64 is: 103,704.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,341.66 : 316,937.16 = 69,152.64 : x
  2. Step 2: Convert to fraction form
    211,341.66/316,937.16 = 69,152.64/x
  3. Step 3: Cross multiply
    211,341.66x = 316,937.16 × 69,152.64
  4. Step 4: Simplify right side
    211,341.66x = 21,917,041,328.10
  5. Step 5: Solve for x
    x = 21,917,041,328.10/211,341.66
  6. Step 6: Final answer
    x = 103,704.31

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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.