Home / 161,711.40-242,567.10-155,490.60

Finding the Fourth Proportional to 161,711.40, 242,567.10 and 155,490.60

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Solution

The fourth proportional to 161,711.40, 242,567.10 and 155,490.60 is: 233,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,711.40 : 242,567.10 = 155,490.60 : x
  2. Step 2: Convert to fraction form
    161,711.40/242,567.10 = 155,490.60/x
  3. Step 3: Cross multiply
    161,711.40x = 242,567.10 × 155,490.60
  4. Step 4: Simplify right side
    161,711.40x = 37,716,903,919.26
  5. Step 5: Solve for x
    x = 37,716,903,919.26/161,711.40
  6. Step 6: Final answer
    x = 233,235.90

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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.