Home / 105,342.84-145,337.49-59,988.66

Finding the Fourth Proportional to 105,342.84, 145,337.49 and 59,988.66

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Solution

The fourth proportional to 105,342.84, 145,337.49 and 59,988.66 is: 82,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,342.84 : 145,337.49 = 59,988.66 : x
  2. Step 2: Convert to fraction form
    105,342.84/145,337.49 = 59,988.66/x
  3. Step 3: Cross multiply
    105,342.84x = 145,337.49 × 59,988.66
  4. Step 4: Simplify right side
    105,342.84x = 8,718,601,272.86
  5. Step 5: Solve for x
    x = 8,718,601,272.86/105,342.84
  6. Step 6: Final answer
    x = 82,764.06

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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.