Home / 113,220.51-169,876.89-57,076.80

Finding the Fourth Proportional to 113,220.51, 169,876.89 and 57,076.80

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Solution

The fourth proportional to 113,220.51, 169,876.89 and 57,076.80 is: 85,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.51 : 169,876.89 = 57,076.80 : x
  2. Step 2: Convert to fraction form
    113,220.51/169,876.89 = 57,076.80/x
  3. Step 3: Cross multiply
    113,220.51x = 169,876.89 × 57,076.80
  4. Step 4: Simplify right side
    113,220.51x = 9,696,029,275.15
  5. Step 5: Solve for x
    x = 9,696,029,275.15/113,220.51
  6. Step 6: Final answer
    x = 85,638.45

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1.5x scale

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.