Home / 211,011.02-316,516.52-70,769.24

Finding the Fourth Proportional to 211,011.02, 316,516.52 and 70,769.24

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Solution

The fourth proportional to 211,011.02, 316,516.52 and 70,769.24 is: 106,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,011.02 : 316,516.52 = 70,769.24 : x
  2. Step 2: Convert to fraction form
    211,011.02/316,516.52 = 70,769.24/x
  3. Step 3: Cross multiply
    211,011.02x = 316,516.52 × 70,769.24
  4. Step 4: Simplify right side
    211,011.02x = 22,399,633,567.84
  5. Step 5: Solve for x
    x = 22,399,633,567.84/211,011.02
  6. Step 6: Final answer
    x = 106,153.86

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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.