Home / 155,459.40-233,189.10-102,928.20

Finding the Fourth Proportional to 155,459.40, 233,189.10 and 102,928.20

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Solution

The fourth proportional to 155,459.40, 233,189.10 and 102,928.20 is: 154,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,459.40 : 233,189.10 = 102,928.20 : x
  2. Step 2: Convert to fraction form
    155,459.40/233,189.10 = 102,928.20/x
  3. Step 3: Cross multiply
    155,459.40x = 233,189.10 × 102,928.20
  4. Step 4: Simplify right side
    155,459.40x = 24,001,734,322.62
  5. Step 5: Solve for x
    x = 24,001,734,322.62/155,459.40
  6. Step 6: Final answer
    x = 154,392.30

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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.