Home / 202,160.17-279,070.70-130,575.11

Finding the Fourth Proportional to 202,160.17, 279,070.70 and 130,575.11

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Solution

The fourth proportional to 202,160.17, 279,070.70 and 130,575.11 is: 180,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,160.17 : 279,070.70 = 130,575.11 : x
  2. Step 2: Convert to fraction form
    202,160.17/279,070.70 = 130,575.11/x
  3. Step 3: Cross multiply
    202,160.17x = 279,070.70 × 130,575.11
  4. Step 4: Simplify right side
    202,160.17x = 36,439,686,281.36
  5. Step 5: Solve for x
    x = 36,439,686,281.36/202,160.17
  6. Step 6: Final answer
    x = 180,251.56

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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.