Home / 112,944.77-155,837.64-67,605.53

Finding the Fourth Proportional to 112,944.77, 155,837.64 and 67,605.53

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Solution

The fourth proportional to 112,944.77, 155,837.64 and 67,605.53 is: 93,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,944.77 : 155,837.64 = 67,605.53 : x
  2. Step 2: Convert to fraction form
    112,944.77/155,837.64 = 67,605.53/x
  3. Step 3: Cross multiply
    112,944.77x = 155,837.64 × 67,605.53
  4. Step 4: Simplify right side
    112,944.77x = 10,535,485,466.96
  5. Step 5: Solve for x
    x = 10,535,485,466.96/112,944.77
  6. Step 6: Final answer
    x = 93,279.98

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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.