Home / 211,908.81-292,434.27-116,421.66

Finding the Fourth Proportional to 211,908.81, 292,434.27 and 116,421.66

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Solution

The fourth proportional to 211,908.81, 292,434.27 and 116,421.66 is: 160,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,908.81 : 292,434.27 = 116,421.66 : x
  2. Step 2: Convert to fraction form
    211,908.81/292,434.27 = 116,421.66/x
  3. Step 3: Cross multiply
    211,908.81x = 292,434.27 × 116,421.66
  4. Step 4: Simplify right side
    211,908.81x = 34,045,681,110.01
  5. Step 5: Solve for x
    x = 34,045,681,110.01/211,908.81
  6. Step 6: Final answer
    x = 160,661.94

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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.