Home / 190,895.40-286,634.70-146,572.20

Finding the Fourth Proportional to 190,895.40, 286,634.70 and 146,572.20

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Solution

The fourth proportional to 190,895.40, 286,634.70 and 146,572.20 is: 220,082.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,895.40 : 286,634.70 = 146,572.20 : x
  2. Step 2: Convert to fraction form
    190,895.40/286,634.70 = 146,572.20/x
  3. Step 3: Cross multiply
    190,895.40x = 286,634.70 × 146,572.20
  4. Step 4: Simplify right side
    190,895.40x = 42,012,678,575.34
  5. Step 5: Solve for x
    x = 42,012,678,575.34/190,895.40
  6. Step 6: Final answer
    x = 220,082.19

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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.