Home / 212,649.49-293,457-117,155.95

Finding the Fourth Proportional to 212,649.49, 293,457 and 117,155.95

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Solution

The fourth proportional to 212,649.49, 293,457 and 117,155.95 is: 161,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,649.49 : 293,457 = 117,155.95 : x
  2. Step 2: Convert to fraction form
    212,649.49/293,457 = 117,155.95/x
  3. Step 3: Cross multiply
    212,649.49x = 293,457 × 117,155.95
  4. Step 4: Simplify right side
    212,649.49x = 34,380,232,151.87
  5. Step 5: Solve for x
    x = 34,380,232,151.87/212,649.49
  6. Step 6: Final answer
    x = 161,675.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.