Home / 161,038.84-240,473.81-131,515.24

Finding the Fourth Proportional to 161,038.84, 240,473.81 and 131,515.24

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Solution

The fourth proportional to 161,038.84, 240,473.81 and 131,515.24 is: 196,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,038.84 : 240,473.81 = 131,515.24 : x
  2. Step 2: Convert to fraction form
    161,038.84/240,473.81 = 131,515.24/x
  3. Step 3: Cross multiply
    161,038.84x = 240,473.81 × 131,515.24
  4. Step 4: Simplify right side
    161,038.84x = 31,625,970,835.86
  5. Step 5: Solve for x
    x = 31,625,970,835.86/161,038.84
  6. Step 6: Final answer
    x = 196,387.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.