Home / 211,009.02-316,513.52-70,767.24

Finding the Fourth Proportional to 211,009.02, 316,513.52 and 70,767.24

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Solution

The fourth proportional to 211,009.02, 316,513.52 and 70,767.24 is: 106,150.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,009.02 : 316,513.52 = 70,767.24 : x
  2. Step 2: Convert to fraction form
    211,009.02/316,513.52 = 70,767.24/x
  3. Step 3: Cross multiply
    211,009.02x = 316,513.52 × 70,767.24
  4. Step 4: Simplify right side
    211,009.02x = 22,398,788,233.08
  5. Step 5: Solve for x
    x = 22,398,788,233.08/211,009.02
  6. Step 6: Final answer
    x = 106,150.86

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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.