Home / 242,529.50-334,701.06-135,099.60

Finding the Fourth Proportional to 242,529.50, 334,701.06 and 135,099.60

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Solution

The fourth proportional to 242,529.50, 334,701.06 and 135,099.60 is: 186,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,529.50 : 334,701.06 = 135,099.60 : x
  2. Step 2: Convert to fraction form
    242,529.50/334,701.06 = 135,099.60/x
  3. Step 3: Cross multiply
    242,529.50x = 334,701.06 × 135,099.60
  4. Step 4: Simplify right side
    242,529.50x = 45,217,980,918.45
  5. Step 5: Solve for x
    x = 45,217,980,918.45/242,529.50
  6. Step 6: Final answer
    x = 186,443.22

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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.