Home / 145,160.01-200,317.86-81,497.79

Finding the Fourth Proportional to 145,160.01, 200,317.86 and 81,497.79

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Solution

The fourth proportional to 145,160.01, 200,317.86 and 81,497.79 is: 112,465.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160.01 : 200,317.86 = 81,497.79 : x
  2. Step 2: Convert to fraction form
    145,160.01/200,317.86 = 81,497.79/x
  3. Step 3: Cross multiply
    145,160.01x = 200,317.86 × 81,497.79
  4. Step 4: Simplify right side
    145,160.01x = 16,325,462,887.53
  5. Step 5: Solve for x
    x = 16,325,462,887.53/145,160.01
  6. Step 6: Final answer
    x = 112,465.29

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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.