Home / 147,064.86-220,592.61-87,501.42

Finding the Fourth Proportional to 147,064.86, 220,592.61 and 87,501.42

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Solution

The fourth proportional to 147,064.86, 220,592.61 and 87,501.42 is: 131,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,064.86 : 220,592.61 = 87,501.42 : x
  2. Step 2: Convert to fraction form
    147,064.86/220,592.61 = 87,501.42/x
  3. Step 3: Cross multiply
    147,064.86x = 220,592.61 × 87,501.42
  4. Step 4: Simplify right side
    147,064.86x = 19,302,166,616.51
  5. Step 5: Solve for x
    x = 19,302,166,616.51/147,064.86
  6. Step 6: Final answer
    x = 131,249.35

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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.