Home / 152,835.60-229,426.20-90,541.20

Finding the Fourth Proportional to 152,835.60, 229,426.20 and 90,541.20

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Solution

The fourth proportional to 152,835.60, 229,426.20 and 90,541.20 is: 135,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,835.60 : 229,426.20 = 90,541.20 : x
  2. Step 2: Convert to fraction form
    152,835.60/229,426.20 = 90,541.20/x
  3. Step 3: Cross multiply
    152,835.60x = 229,426.20 × 90,541.20
  4. Step 4: Simplify right side
    152,835.60x = 20,772,523,459.44
  5. Step 5: Solve for x
    x = 20,772,523,459.44/152,835.60
  6. Step 6: Final answer
    x = 135,914.17

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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.