Home / 211,715.63-292,156.85-125,678.29

Finding the Fourth Proportional to 211,715.63, 292,156.85 and 125,678.29

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Solution

The fourth proportional to 211,715.63, 292,156.85 and 125,678.29 is: 173,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,715.63 : 292,156.85 = 125,678.29 : x
  2. Step 2: Convert to fraction form
    211,715.63/292,156.85 = 125,678.29/x
  3. Step 3: Cross multiply
    211,715.63x = 292,156.85 × 125,678.29
  4. Step 4: Simplify right side
    211,715.63x = 36,717,771,230.61
  5. Step 5: Solve for x
    x = 36,717,771,230.61/211,715.63
  6. Step 6: Final answer
    x = 173,429.67

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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.