Home / 202,158.47-279,068.36-130,573.40

Finding the Fourth Proportional to 202,158.47, 279,068.36 and 130,573.40

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Solution

The fourth proportional to 202,158.47, 279,068.36 and 130,573.40 is: 180,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,158.47 : 279,068.36 = 130,573.40 : x
  2. Step 2: Convert to fraction form
    202,158.47/279,068.36 = 130,573.40/x
  3. Step 3: Cross multiply
    202,158.47x = 279,068.36 × 130,573.40
  4. Step 4: Simplify right side
    202,158.47x = 36,438,906,398.21
  5. Step 5: Solve for x
    x = 36,438,906,398.21/202,158.47
  6. Step 6: Final answer
    x = 180,249.22

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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.