Home / 127,133.08-175,508.98-89,575

Finding the Fourth Proportional to 127,133.08, 175,508.98 and 89,575

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Solution

The fourth proportional to 127,133.08, 175,508.98 and 89,575 is: 123,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,133.08 : 175,508.98 = 89,575 : x
  2. Step 2: Convert to fraction form
    127,133.08/175,508.98 = 89,575/x
  3. Step 3: Cross multiply
    127,133.08x = 175,508.98 × 89,575
  4. Step 4: Simplify right side
    127,133.08x = 15,721,216,883.50
  5. Step 5: Solve for x
    x = 15,721,216,883.50/127,133.08
  6. Step 6: Final answer
    x = 123,659.53

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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.