Home / 190,675.54-286,088.55-72,378.28

Finding the Fourth Proportional to 190,675.54, 286,088.55 and 72,378.28

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Solution

The fourth proportional to 190,675.54, 286,088.55 and 72,378.28 is: 108,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,675.54 : 286,088.55 = 72,378.28 : x
  2. Step 2: Convert to fraction form
    190,675.54/286,088.55 = 72,378.28/x
  3. Step 3: Cross multiply
    190,675.54x = 286,088.55 × 72,378.28
  4. Step 4: Simplify right side
    190,675.54x = 20,706,597,176.69
  5. Step 5: Solve for x
    x = 20,706,597,176.69/190,675.54
  6. Step 6: Final answer
    x = 108,595.98

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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.