Home / 145,527.08-200,816.55-81,852.57

Finding the Fourth Proportional to 145,527.08, 200,816.55 and 81,852.57

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Solution

The fourth proportional to 145,527.08, 200,816.55 and 81,852.57 is: 112,950.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,527.08 : 200,816.55 = 81,852.57 : x
  2. Step 2: Convert to fraction form
    145,527.08/200,816.55 = 81,852.57/x
  3. Step 3: Cross multiply
    145,527.08x = 200,816.55 × 81,852.57
  4. Step 4: Simplify right side
    145,527.08x = 16,437,350,716.03
  5. Step 5: Solve for x
    x = 16,437,350,716.03/145,527.08
  6. Step 6: Final answer
    x = 112,950.46

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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.