Home / 94,888.29-130,839.89-77,606.85

Finding the Fourth Proportional to 94,888.29, 130,839.89 and 77,606.85

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Solution

The fourth proportional to 94,888.29, 130,839.89 and 77,606.85 is: 107,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,888.29 : 130,839.89 = 77,606.85 : x
  2. Step 2: Convert to fraction form
    94,888.29/130,839.89 = 77,606.85/x
  3. Step 3: Cross multiply
    94,888.29x = 130,839.89 × 77,606.85
  4. Step 4: Simplify right side
    94,888.29x = 10,154,071,329.21
  5. Step 5: Solve for x
    x = 10,154,071,329.21/94,888.29
  6. Step 6: Final answer
    x = 107,010.79

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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.