Home / 115,337.20-173,011.20-36,457.60

Finding the Fourth Proportional to 115,337.20, 173,011.20 and 36,457.60

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Solution

The fourth proportional to 115,337.20, 173,011.20 and 36,457.60 is: 54,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,337.20 : 173,011.20 = 36,457.60 : x
  2. Step 2: Convert to fraction form
    115,337.20/173,011.20 = 36,457.60/x
  3. Step 3: Cross multiply
    115,337.20x = 173,011.20 × 36,457.60
  4. Step 4: Simplify right side
    115,337.20x = 6,307,573,125.12
  5. Step 5: Solve for x
    x = 6,307,573,125.12/115,337.20
  6. Step 6: Final answer
    x = 54,688.11

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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.