Home / 155,459.16-233,188.74-43,139.41

Finding the Fourth Proportional to 155,459.16, 233,188.74 and 43,139.41

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Solution

The fourth proportional to 155,459.16, 233,188.74 and 43,139.41 is: 64,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,459.16 : 233,188.74 = 43,139.41 : x
  2. Step 2: Convert to fraction form
    155,459.16/233,188.74 = 43,139.41/x
  3. Step 3: Cross multiply
    155,459.16x = 233,188.74 × 43,139.41
  4. Step 4: Simplify right side
    155,459.16x = 10,059,624,446.55
  5. Step 5: Solve for x
    x = 10,059,624,446.55/155,459.16
  6. Step 6: Final answer
    x = 64,709.12

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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.