Home / 169,471.02-254,213.15-51,142.40

Finding the Fourth Proportional to 169,471.02, 254,213.15 and 51,142.40

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Solution

The fourth proportional to 169,471.02, 254,213.15 and 51,142.40 is: 76,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,471.02 : 254,213.15 = 51,142.40 : x
  2. Step 2: Convert to fraction form
    169,471.02/254,213.15 = 51,142.40/x
  3. Step 3: Cross multiply
    169,471.02x = 254,213.15 × 51,142.40
  4. Step 4: Simplify right side
    169,471.02x = 13,001,070,602.56
  5. Step 5: Solve for x
    x = 13,001,070,602.56/169,471.02
  6. Step 6: Final answer
    x = 76,715.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.