Home / 131,791.04-181,884.66-75,210.92

Finding the Fourth Proportional to 131,791.04, 181,884.66 and 75,210.92

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Solution

The fourth proportional to 131,791.04, 181,884.66 and 75,210.92 is: 103,798.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,791.04 : 181,884.66 = 75,210.92 : x
  2. Step 2: Convert to fraction form
    131,791.04/181,884.66 = 75,210.92/x
  3. Step 3: Cross multiply
    131,791.04x = 181,884.66 × 75,210.92
  4. Step 4: Simplify right side
    131,791.04x = 13,679,712,612.49
  5. Step 5: Solve for x
    x = 13,679,712,612.49/131,791.04
  6. Step 6: Final answer
    x = 103,798.50

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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.