Home / 268,172.24-402,258.04-68,492.80

Finding the Fourth Proportional to 268,172.24, 402,258.04 and 68,492.80

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Solution

The fourth proportional to 268,172.24, 402,258.04 and 68,492.80 is: 102,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,172.24 : 402,258.04 = 68,492.80 : x
  2. Step 2: Convert to fraction form
    268,172.24/402,258.04 = 68,492.80/x
  3. Step 3: Cross multiply
    268,172.24x = 402,258.04 × 68,492.80
  4. Step 4: Simplify right side
    268,172.24x = 27,551,779,482.11
  5. Step 5: Solve for x
    x = 27,551,779,482.11/268,172.24
  6. Step 6: Final answer
    x = 102,739.12

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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.