Home / 211,897.68-292,502.10-126,998.34

Finding the Fourth Proportional to 211,897.68, 292,502.10 and 126,998.34

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Solution

The fourth proportional to 211,897.68, 292,502.10 and 126,998.34 is: 175,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,897.68 : 292,502.10 = 126,998.34 : x
  2. Step 2: Convert to fraction form
    211,897.68/292,502.10 = 126,998.34/x
  3. Step 3: Cross multiply
    211,897.68x = 292,502.10 × 126,998.34
  4. Step 4: Simplify right side
    211,897.68x = 37,147,281,146.51
  5. Step 5: Solve for x
    x = 37,147,281,146.51/211,897.68
  6. Step 6: Final answer
    x = 175,307.64

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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.