Home / 131,522.77-181,457.88-74,154.91

Finding the Fourth Proportional to 131,522.77, 181,457.88 and 74,154.91

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Solution

The fourth proportional to 131,522.77, 181,457.88 and 74,154.91 is: 102,309.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,522.77 : 181,457.88 = 74,154.91 : x
  2. Step 2: Convert to fraction form
    131,522.77/181,457.88 = 74,154.91/x
  3. Step 3: Cross multiply
    131,522.77x = 181,457.88 × 74,154.91
  4. Step 4: Simplify right side
    131,522.77x = 13,455,992,760.19
  5. Step 5: Solve for x
    x = 13,455,992,760.19/131,522.77
  6. Step 6: Final answer
    x = 102,309.23

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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.