Home / 242,029.60-334,000.80-136,045.60

Finding the Fourth Proportional to 242,029.60, 334,000.80 and 136,045.60

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Solution

The fourth proportional to 242,029.60, 334,000.80 and 136,045.60 is: 187,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,029.60 : 334,000.80 = 136,045.60 : x
  2. Step 2: Convert to fraction form
    242,029.60/334,000.80 = 136,045.60/x
  3. Step 3: Cross multiply
    242,029.60x = 334,000.80 × 136,045.60
  4. Step 4: Simplify right side
    242,029.60x = 45,439,339,236.48
  5. Step 5: Solve for x
    x = 45,439,339,236.48/242,029.60
  6. Step 6: Final answer
    x = 187,742.90

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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.