Home / 209,280.60-314,093.70-97,133.40

Finding the Fourth Proportional to 209,280.60, 314,093.70 and 97,133.40

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Solution

The fourth proportional to 209,280.60, 314,093.70 and 97,133.40 is: 145,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,280.60 : 314,093.70 = 97,133.40 : x
  2. Step 2: Convert to fraction form
    209,280.60/314,093.70 = 97,133.40/x
  3. Step 3: Cross multiply
    209,280.60x = 314,093.70 × 97,133.40
  4. Step 4: Simplify right side
    209,280.60x = 30,508,988,999.58
  5. Step 5: Solve for x
    x = 30,508,988,999.58/209,280.60
  6. Step 6: Final answer
    x = 145,780.30

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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.