Home / 102,582.45-153,927-77,615.15

Finding the Fourth Proportional to 102,582.45, 153,927 and 77,615.15

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Solution

The fourth proportional to 102,582.45, 153,927 and 77,615.15 is: 116,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,582.45 : 153,927 = 77,615.15 : x
  2. Step 2: Convert to fraction form
    102,582.45/153,927 = 77,615.15/x
  3. Step 3: Cross multiply
    102,582.45x = 153,927 × 77,615.15
  4. Step 4: Simplify right side
    102,582.45x = 11,947,066,424.42
  5. Step 5: Solve for x
    x = 11,947,066,424.42/102,582.45
  6. Step 6: Final answer
    x = 116,463.06

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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.