Home / 120,436.38-180,602.19-64,264.05

Finding the Fourth Proportional to 120,436.38, 180,602.19 and 64,264.05

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Solution

The fourth proportional to 120,436.38, 180,602.19 and 64,264.05 is: 96,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,436.38 : 180,602.19 = 64,264.05 : x
  2. Step 2: Convert to fraction form
    120,436.38/180,602.19 = 64,264.05/x
  3. Step 3: Cross multiply
    120,436.38x = 180,602.19 × 64,264.05
  4. Step 4: Simplify right side
    120,436.38x = 11,606,228,168.27
  5. Step 5: Solve for x
    x = 11,606,228,168.27/120,436.38
  6. Step 6: Final answer
    x = 96,368.13

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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.