Home / 103,500.40-155,250.60-97,376.80

Finding the Fourth Proportional to 103,500.40, 155,250.60 and 97,376.80

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Solution

The fourth proportional to 103,500.40, 155,250.60 and 97,376.80 is: 146,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.40 : 155,250.60 = 97,376.80 : x
  2. Step 2: Convert to fraction form
    103,500.40/155,250.60 = 97,376.80/x
  3. Step 3: Cross multiply
    103,500.40x = 155,250.60 × 97,376.80
  4. Step 4: Simplify right side
    103,500.40x = 15,117,806,626.08
  5. Step 5: Solve for x
    x = 15,117,806,626.08/103,500.40
  6. Step 6: Final answer
    x = 146,065.20

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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.