Home / 131,225.34-181,088.80-73,081.51

Finding the Fourth Proportional to 131,225.34, 181,088.80 and 73,081.51

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Solution

The fourth proportional to 131,225.34, 181,088.80 and 73,081.51 is: 100,851.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,225.34 : 181,088.80 = 73,081.51 : x
  2. Step 2: Convert to fraction form
    131,225.34/181,088.80 = 73,081.51/x
  3. Step 3: Cross multiply
    131,225.34x = 181,088.80 × 73,081.51
  4. Step 4: Simplify right side
    131,225.34x = 13,234,242,948.09
  5. Step 5: Solve for x
    x = 13,234,242,948.09/131,225.34
  6. Step 6: Final answer
    x = 100,851.28

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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.