Home / 150,564.15-207,768.65-86,036.72

Finding the Fourth Proportional to 150,564.15, 207,768.65 and 86,036.72

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Solution

The fourth proportional to 150,564.15, 207,768.65 and 86,036.72 is: 118,725.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,564.15 : 207,768.65 = 86,036.72 : x
  2. Step 2: Convert to fraction form
    150,564.15/207,768.65 = 86,036.72/x
  3. Step 3: Cross multiply
    150,564.15x = 207,768.65 × 86,036.72
  4. Step 4: Simplify right side
    150,564.15x = 17,875,731,695.80
  5. Step 5: Solve for x
    x = 17,875,731,695.80/150,564.15
  6. Step 6: Final answer
    x = 118,725.02

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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.