Home / 127,430.02-175,832.73-70,839.94

Finding the Fourth Proportional to 127,430.02, 175,832.73 and 70,839.94

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Solution

The fourth proportional to 127,430.02, 175,832.73 and 70,839.94 is: 97,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,430.02 : 175,832.73 = 70,839.94 : x
  2. Step 2: Convert to fraction form
    127,430.02/175,832.73 = 70,839.94/x
  3. Step 3: Cross multiply
    127,430.02x = 175,832.73 × 70,839.94
  4. Step 4: Simplify right side
    127,430.02x = 12,455,980,043.24
  5. Step 5: Solve for x
    x = 12,455,980,043.24/127,430.02
  6. Step 6: Final answer
    x = 97,747.61

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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.