Home / 131,528.66-181,465.98-74,160.77

Finding the Fourth Proportional to 131,528.66, 181,465.98 and 74,160.77

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Solution

The fourth proportional to 131,528.66, 181,465.98 and 74,160.77 is: 102,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,528.66 : 181,465.98 = 74,160.77 : x
  2. Step 2: Convert to fraction form
    131,528.66/181,465.98 = 74,160.77/x
  3. Step 3: Cross multiply
    131,528.66x = 181,465.98 × 74,160.77
  4. Step 4: Simplify right side
    131,528.66x = 13,457,656,805.60
  5. Step 5: Solve for x
    x = 13,457,656,805.60/131,528.66
  6. Step 6: Final answer
    x = 102,317.30

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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.