Home / 211,334.16-316,925.91-69,145.14

Finding the Fourth Proportional to 211,334.16, 316,925.91 and 69,145.14

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Solution

The fourth proportional to 211,334.16, 316,925.91 and 69,145.14 is: 103,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,334.16 : 316,925.91 = 69,145.14 : x
  2. Step 2: Convert to fraction form
    211,334.16/316,925.91 = 69,145.14/x
  3. Step 3: Cross multiply
    211,334.16x = 316,925.91 × 69,145.14
  4. Step 4: Simplify right side
    211,334.16x = 21,913,886,416.58
  5. Step 5: Solve for x
    x = 21,913,886,416.58/211,334.16
  6. Step 6: Final answer
    x = 103,693.06

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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.