Home / 77,156.18-106,480.14-43,164.86

Finding the Fourth Proportional to 77,156.18, 106,480.14 and 43,164.86

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Solution

The fourth proportional to 77,156.18, 106,480.14 and 43,164.86 is: 59,570.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.18 : 106,480.14 = 43,164.86 : x
  2. Step 2: Convert to fraction form
    77,156.18/106,480.14 = 43,164.86/x
  3. Step 3: Cross multiply
    77,156.18x = 106,480.14 × 43,164.86
  4. Step 4: Simplify right side
    77,156.18x = 4,596,199,803.48
  5. Step 5: Solve for x
    x = 4,596,199,803.48/77,156.18
  6. Step 6: Final answer
    x = 59,570.08

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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.