Home / 77,338.10-116,493.16-70,362.92

Finding the Fourth Proportional to 77,338.10, 116,493.16 and 70,362.92

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Solution

The fourth proportional to 77,338.10, 116,493.16 and 70,362.92 is: 105,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.10 : 116,493.16 = 70,362.92 : x
  2. Step 2: Convert to fraction form
    77,338.10/116,493.16 = 70,362.92/x
  3. Step 3: Cross multiply
    77,338.10x = 116,493.16 × 70,362.92
  4. Step 4: Simplify right side
    77,338.10x = 8,196,798,897.63
  5. Step 5: Solve for x
    x = 8,196,798,897.63/77,338.10
  6. Step 6: Final answer
    x = 105,986.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.