Home / 98,687.40-148,322.70-96,937.80

Finding the Fourth Proportional to 98,687.40, 148,322.70 and 96,937.80

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Solution

The fourth proportional to 98,687.40, 148,322.70 and 96,937.80 is: 145,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,687.40 : 148,322.70 = 96,937.80 : x
  2. Step 2: Convert to fraction form
    98,687.40/148,322.70 = 96,937.80/x
  3. Step 3: Cross multiply
    98,687.40x = 148,322.70 × 96,937.80
  4. Step 4: Simplify right side
    98,687.40x = 14,378,076,228.06
  5. Step 5: Solve for x
    x = 14,378,076,228.06/98,687.40
  6. Step 6: Final answer
    x = 145,693.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.