Home / 212,649.48-293,457.01-117,155.95

Finding the Fourth Proportional to 212,649.48, 293,457.01 and 117,155.95

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Solution

The fourth proportional to 212,649.48, 293,457.01 and 117,155.95 is: 161,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,649.48 : 293,457.01 = 117,155.95 : x
  2. Step 2: Convert to fraction form
    212,649.48/293,457.01 = 117,155.95/x
  3. Step 3: Cross multiply
    212,649.48x = 293,457.01 × 117,155.95
  4. Step 4: Simplify right side
    212,649.48x = 34,380,233,323.42
  5. Step 5: Solve for x
    x = 34,380,233,323.42/212,649.48
  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.