Home / 212,060.50-292,644.10-121,417.86

Finding the Fourth Proportional to 212,060.50, 292,644.10 and 121,417.86

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Solution

The fourth proportional to 212,060.50, 292,644.10 and 121,417.86 is: 167,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,060.50 : 292,644.10 = 121,417.86 : x
  2. Step 2: Convert to fraction form
    212,060.50/292,644.10 = 121,417.86/x
  3. Step 3: Cross multiply
    212,060.50x = 292,644.10 × 121,417.86
  4. Step 4: Simplify right side
    212,060.50x = 35,532,220,363.63
  5. Step 5: Solve for x
    x = 35,532,220,363.63/212,060.50
  6. Step 6: Final answer
    x = 167,557.00

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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.