Home / 103,168.28-141,445.04-101,302.04

Finding the Fourth Proportional to 103,168.28, 141,445.04 and 101,302.04

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Solution

The fourth proportional to 103,168.28, 141,445.04 and 101,302.04 is: 138,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,168.28 : 141,445.04 = 101,302.04 : x
  2. Step 2: Convert to fraction form
    103,168.28/141,445.04 = 101,302.04/x
  3. Step 3: Cross multiply
    103,168.28x = 141,445.04 × 101,302.04
  4. Step 4: Simplify right side
    103,168.28x = 14,328,671,099.88
  5. Step 5: Solve for x
    x = 14,328,671,099.88/103,168.28
  6. Step 6: Final answer
    x = 138,886.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.