Home / 120,264.06-180,182.16-102,554.22

Finding the Fourth Proportional to 120,264.06, 180,182.16 and 102,554.22

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Solution

The fourth proportional to 120,264.06, 180,182.16 and 102,554.22 is: 153,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,264.06 : 180,182.16 = 102,554.22 : x
  2. Step 2: Convert to fraction form
    120,264.06/180,182.16 = 102,554.22/x
  3. Step 3: Cross multiply
    120,264.06x = 180,182.16 × 102,554.22
  4. Step 4: Simplify right side
    120,264.06x = 18,478,440,876.72
  5. Step 5: Solve for x
    x = 18,478,440,876.72/120,264.06
  6. Step 6: Final answer
    x = 153,648.90

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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.