Home / 157,108.60-235,274.10-100,862.20

Finding the Fourth Proportional to 157,108.60, 235,274.10 and 100,862.20

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Solution

The fourth proportional to 157,108.60, 235,274.10 and 100,862.20 is: 151,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,108.60 : 235,274.10 = 100,862.20 : x
  2. Step 2: Convert to fraction form
    157,108.60/235,274.10 = 100,862.20/x
  3. Step 3: Cross multiply
    157,108.60x = 235,274.10 × 100,862.20
  4. Step 4: Simplify right side
    157,108.60x = 23,730,263,329.02
  5. Step 5: Solve for x
    x = 23,730,263,329.02/157,108.60
  6. Step 6: Final answer
    x = 151,043.69

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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.