Home / 212,073.50-292,655.19-121,426.46

Finding the Fourth Proportional to 212,073.50, 292,655.19 and 121,426.46

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Solution

The fourth proportional to 212,073.50, 292,655.19 and 121,426.46 is: 167,564.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,073.50 : 292,655.19 = 121,426.46 : x
  2. Step 2: Convert to fraction form
    212,073.50/292,655.19 = 121,426.46/x
  3. Step 3: Cross multiply
    212,073.50x = 292,655.19 × 121,426.46
  4. Step 4: Simplify right side
    212,073.50x = 35,536,083,722.33
  5. Step 5: Solve for x
    x = 35,536,083,722.33/212,073.50
  6. Step 6: Final answer
    x = 167,564.94

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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.