Home / 205,154.10-307,700.37-64,894.50

Finding the Fourth Proportional to 205,154.10, 307,700.37 and 64,894.50

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Solution

The fourth proportional to 205,154.10, 307,700.37 and 64,894.50 is: 97,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,154.10 : 307,700.37 = 64,894.50 : x
  2. Step 2: Convert to fraction form
    205,154.10/307,700.37 = 64,894.50/x
  3. Step 3: Cross multiply
    205,154.10x = 307,700.37 × 64,894.50
  4. Step 4: Simplify right side
    205,154.10x = 19,968,061,660.97
  5. Step 5: Solve for x
    x = 19,968,061,660.97/205,154.10
  6. Step 6: Final answer
    x = 97,332.01

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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.