Home / 105,564.60-145,677.65-60,256.94

Finding the Fourth Proportional to 105,564.60, 145,677.65 and 60,256.94

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Solution

The fourth proportional to 105,564.60, 145,677.65 and 60,256.94 is: 83,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,564.60 : 145,677.65 = 60,256.94 : x
  2. Step 2: Convert to fraction form
    105,564.60/145,677.65 = 60,256.94/x
  3. Step 3: Cross multiply
    105,564.60x = 145,677.65 × 60,256.94
  4. Step 4: Simplify right side
    105,564.60x = 8,778,088,385.72
  5. Step 5: Solve for x
    x = 8,778,088,385.72/105,564.60
  6. Step 6: Final answer
    x = 83,153.71

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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.