Home / 145,928.30-218,892.45-57,152.30

Finding the Fourth Proportional to 145,928.30, 218,892.45 and 57,152.30

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Solution

The fourth proportional to 145,928.30, 218,892.45 and 57,152.30 is: 85,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,928.30 : 218,892.45 = 57,152.30 : x
  2. Step 2: Convert to fraction form
    145,928.30/218,892.45 = 57,152.30/x
  3. Step 3: Cross multiply
    145,928.30x = 218,892.45 × 57,152.30
  4. Step 4: Simplify right side
    145,928.30x = 12,510,206,970.14
  5. Step 5: Solve for x
    x = 12,510,206,970.14/145,928.30
  6. Step 6: Final answer
    x = 85,728.45

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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.