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Finding the Fourth Proportional to 160,012.61, 240,018.05 and 65,242.43

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Solution

The fourth proportional to 160,012.61, 240,018.05 and 65,242.43 is: 97,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,012.61 : 240,018.05 = 65,242.43 : x
  2. Step 2: Convert to fraction form
    160,012.61/240,018.05 = 65,242.43/x
  3. Step 3: Cross multiply
    160,012.61x = 240,018.05 × 65,242.43
  4. Step 4: Simplify right side
    160,012.61x = 15,659,360,688.95
  5. Step 5: Solve for x
    x = 15,659,360,688.95/160,012.61
  6. Step 6: Final answer
    x = 97,863.29

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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.