Home / 131,550.03-181,534.23-74,950.47

Finding the Fourth Proportional to 131,550.03, 181,534.23 and 74,950.47

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Solution

The fourth proportional to 131,550.03, 181,534.23 and 74,950.47 is: 103,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,550.03 : 181,534.23 = 74,950.47 : x
  2. Step 2: Convert to fraction form
    131,550.03/181,534.23 = 74,950.47/x
  3. Step 3: Cross multiply
    131,550.03x = 181,534.23 × 74,950.47
  4. Step 4: Simplify right side
    131,550.03x = 13,606,075,859.59
  5. Step 5: Solve for x
    x = 13,606,075,859.59/131,550.03
  6. Step 6: Final answer
    x = 103,428.91

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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.