Home / 117,459.81-162,014.25-74,999.19

Finding the Fourth Proportional to 117,459.81, 162,014.25 and 74,999.19

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Solution

The fourth proportional to 117,459.81, 162,014.25 and 74,999.19 is: 103,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,459.81 : 162,014.25 = 74,999.19 : x
  2. Step 2: Convert to fraction form
    117,459.81/162,014.25 = 74,999.19/x
  3. Step 3: Cross multiply
    117,459.81x = 162,014.25 × 74,999.19
  4. Step 4: Simplify right side
    117,459.81x = 12,150,937,518.46
  5. Step 5: Solve for x
    x = 12,150,937,518.46/117,459.81
  6. Step 6: Final answer
    x = 103,447.62

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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.