Home / 130,317.96-179,839.80-76,605.24

Finding the Fourth Proportional to 130,317.96, 179,839.80 and 76,605.24

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Solution

The fourth proportional to 130,317.96, 179,839.80 and 76,605.24 is: 105,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,317.96 : 179,839.80 = 76,605.24 : x
  2. Step 2: Convert to fraction form
    130,317.96/179,839.80 = 76,605.24/x
  3. Step 3: Cross multiply
    130,317.96x = 179,839.80 × 76,605.24
  4. Step 4: Simplify right side
    130,317.96x = 13,776,671,040.55
  5. Step 5: Solve for x
    x = 13,776,671,040.55/130,317.96
  6. Step 6: Final answer
    x = 105,715.83

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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.