Home / 97,220.86-146,356.52-87,444.72

Finding the Fourth Proportional to 97,220.86, 146,356.52 and 87,444.72

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Solution

The fourth proportional to 97,220.86, 146,356.52 and 87,444.72 is: 131,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,220.86 : 146,356.52 = 87,444.72 : x
  2. Step 2: Convert to fraction form
    97,220.86/146,356.52 = 87,444.72/x
  3. Step 3: Cross multiply
    97,220.86x = 146,356.52 × 87,444.72
  4. Step 4: Simplify right side
    97,220.86x = 12,798,104,911.57
  5. Step 5: Solve for x
    x = 12,798,104,911.57/97,220.86
  6. Step 6: Final answer
    x = 131,639.49

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.