Home / 211,195.36-316,840.32-70,950.16

Finding the Fourth Proportional to 211,195.36, 316,840.32 and 70,950.16

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Solution

The fourth proportional to 211,195.36, 316,840.32 and 70,950.16 is: 106,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,195.36 : 316,840.32 = 70,950.16 : x
  2. Step 2: Convert to fraction form
    211,195.36/316,840.32 = 70,950.16/x
  3. Step 3: Cross multiply
    211,195.36x = 316,840.32 × 70,950.16
  4. Step 4: Simplify right side
    211,195.36x = 22,479,871,398.45
  5. Step 5: Solve for x
    x = 22,479,871,398.45/211,195.36
  6. Step 6: Final answer
    x = 106,441.12

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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.