Home / 131,512.77-181,444.08-74,144.91

Finding the Fourth Proportional to 131,512.77, 181,444.08 and 74,144.91

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Solution

The fourth proportional to 131,512.77, 181,444.08 and 74,144.91 is: 102,295.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,512.77 : 181,444.08 = 74,144.91 : x
  2. Step 2: Convert to fraction form
    131,512.77/181,444.08 = 74,144.91/x
  3. Step 3: Cross multiply
    131,512.77x = 181,444.08 × 74,144.91
  4. Step 4: Simplify right side
    131,512.77x = 13,453,154,981.63
  5. Step 5: Solve for x
    x = 13,453,154,981.63/131,512.77
  6. Step 6: Final answer
    x = 102,295.43

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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.