Home / 131,632.91-181,637.76-74,268.93

Finding the Fourth Proportional to 131,632.91, 181,637.76 and 74,268.93

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Solution

The fourth proportional to 131,632.91, 181,637.76 and 74,268.93 is: 102,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.91 : 181,637.76 = 74,268.93 : x
  2. Step 2: Convert to fraction form
    131,632.91/181,637.76 = 74,268.93/x
  3. Step 3: Cross multiply
    131,632.91x = 181,637.76 × 74,268.93
  4. Step 4: Simplify right side
    131,632.91x = 13,490,043,042.45
  5. Step 5: Solve for x
    x = 13,490,043,042.45/131,632.91
  6. Step 6: Final answer
    x = 102,482.30

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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.