Home / 211,130.26-316,741.47-70,885.18

Finding the Fourth Proportional to 211,130.26, 316,741.47 and 70,885.18

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Solution

The fourth proportional to 211,130.26, 316,741.47 and 70,885.18 is: 106,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,130.26 : 316,741.47 = 70,885.18 : x
  2. Step 2: Convert to fraction form
    211,130.26/316,741.47 = 70,885.18/x
  3. Step 3: Cross multiply
    211,130.26x = 316,741.47 × 70,885.18
  4. Step 4: Simplify right side
    211,130.26x = 22,452,276,114.41
  5. Step 5: Solve for x
    x = 22,452,276,114.41/211,130.26
  6. Step 6: Final answer
    x = 106,343.24

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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.