Home / 145,751.36-218,133.20-89,627.02

Finding the Fourth Proportional to 145,751.36, 218,133.20 and 89,627.02

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Solution

The fourth proportional to 145,751.36, 218,133.20 and 89,627.02 is: 134,136.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,751.36 : 218,133.20 = 89,627.02 : x
  2. Step 2: Convert to fraction form
    145,751.36/218,133.20 = 89,627.02/x
  3. Step 3: Cross multiply
    145,751.36x = 218,133.20 × 89,627.02
  4. Step 4: Simplify right side
    145,751.36x = 19,550,628,679.06
  5. Step 5: Solve for x
    x = 19,550,628,679.06/145,751.36
  6. Step 6: Final answer
    x = 134,136.85

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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.