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Finding the Fourth Proportional to 202,158.77, 279,068.76 and 130,573.69

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Solution

The fourth proportional to 202,158.77, 279,068.76 and 130,573.69 is: 180,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.77 : 279,068.76 = 130,573.69 : x
  2. Step 2: Convert to fraction form
    202,158.77/279,068.76 = 130,573.69/x
  3. Step 3: Cross multiply
    202,158.77x = 279,068.76 × 130,573.69
  4. Step 4: Simplify right side
    202,158.77x = 36,439,037,059.25
  5. Step 5: Solve for x
    x = 36,439,037,059.25/202,158.77
  6. Step 6: Final answer
    x = 180,249.60

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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.