Home / 179,152.02-247,201.53-102,656.40

Finding the Fourth Proportional to 179,152.02, 247,201.53 and 102,656.40

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Solution

The fourth proportional to 179,152.02, 247,201.53 and 102,656.40 is: 141,649.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,152.02 : 247,201.53 = 102,656.40 : x
  2. Step 2: Convert to fraction form
    179,152.02/247,201.53 = 102,656.40/x
  3. Step 3: Cross multiply
    179,152.02x = 247,201.53 × 102,656.40
  4. Step 4: Simplify right side
    179,152.02x = 25,376,819,144.29
  5. Step 5: Solve for x
    x = 25,376,819,144.29/179,152.02
  6. Step 6: Final answer
    x = 141,649.64

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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.