Home / 145,282.79-217,455.44-75,065.51

Finding the Fourth Proportional to 145,282.79, 217,455.44 and 75,065.51

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Solution

The fourth proportional to 145,282.79, 217,455.44 and 75,065.51 is: 112,356.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,282.79 : 217,455.44 = 75,065.51 : x
  2. Step 2: Convert to fraction form
    145,282.79/217,455.44 = 75,065.51/x
  3. Step 3: Cross multiply
    145,282.79x = 217,455.44 × 75,065.51
  4. Step 4: Simplify right side
    145,282.79x = 16,323,402,043.27
  5. Step 5: Solve for x
    x = 16,323,402,043.27/145,282.79
  6. Step 6: Final answer
    x = 112,356.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.