Home / 151,047.59-208,433.86-87,373.08

Finding the Fourth Proportional to 151,047.59, 208,433.86 and 87,373.08

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Solution

The fourth proportional to 151,047.59, 208,433.86 and 87,373.08 is: 120,568.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,047.59 : 208,433.86 = 87,373.08 : x
  2. Step 2: Convert to fraction form
    151,047.59/208,433.86 = 87,373.08/x
  3. Step 3: Cross multiply
    151,047.59x = 208,433.86 × 87,373.08
  4. Step 4: Simplify right side
    151,047.59x = 18,211,508,106.06
  5. Step 5: Solve for x
    x = 18,211,508,106.06/151,047.59
  6. Step 6: Final answer
    x = 120,568.02

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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.