Home / 211,236.42-291,506.28-126,373.50

Finding the Fourth Proportional to 211,236.42, 291,506.28 and 126,373.50

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Solution

The fourth proportional to 211,236.42, 291,506.28 and 126,373.50 is: 174,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,236.42 : 291,506.28 = 126,373.50 : x
  2. Step 2: Convert to fraction form
    211,236.42/291,506.28 = 126,373.50/x
  3. Step 3: Cross multiply
    211,236.42x = 291,506.28 × 126,373.50
  4. Step 4: Simplify right side
    211,236.42x = 36,838,668,875.58
  5. Step 5: Solve for x
    x = 36,838,668,875.58/211,236.42
  6. Step 6: Final answer
    x = 174,395.44

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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.