Home / 110,236.60-152,122.09-64,916.49

Finding the Fourth Proportional to 110,236.60, 152,122.09 and 64,916.49

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Solution

The fourth proportional to 110,236.60, 152,122.09 and 64,916.49 is: 89,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,236.60 : 152,122.09 = 64,916.49 : x
  2. Step 2: Convert to fraction form
    110,236.60/152,122.09 = 64,916.49/x
  3. Step 3: Cross multiply
    110,236.60x = 152,122.09 × 64,916.49
  4. Step 4: Simplify right side
    110,236.60x = 9,875,232,134.26
  5. Step 5: Solve for x
    x = 9,875,232,134.26/110,236.60
  6. Step 6: Final answer
    x = 89,582.15

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1.5x scale

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.