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Finding the Fourth Proportional to 160,160.94, 240,386.32 and 85,344.30

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Solution

The fourth proportional to 160,160.94, 240,386.32 and 85,344.30 is: 128,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,160.94 : 240,386.32 = 85,344.30 : x
  2. Step 2: Convert to fraction form
    160,160.94/240,386.32 = 85,344.30/x
  3. Step 3: Cross multiply
    160,160.94x = 240,386.32 × 85,344.30
  4. Step 4: Simplify right side
    160,160.94x = 20,515,602,209.98
  5. Step 5: Solve for x
    x = 20,515,602,209.98/160,160.94
  6. Step 6: Final answer
    x = 128,093.67

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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.