Home / 142,045.96-213,102.30-42,206.92

Finding the Fourth Proportional to 142,045.96, 213,102.30 and 42,206.92

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Solution

The fourth proportional to 142,045.96, 213,102.30 and 42,206.92 is: 63,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,045.96 : 213,102.30 = 42,206.92 : x
  2. Step 2: Convert to fraction form
    142,045.96/213,102.30 = 42,206.92/x
  3. Step 3: Cross multiply
    142,045.96x = 213,102.30 × 42,206.92
  4. Step 4: Simplify right side
    142,045.96x = 8,994,391,727.92
  5. Step 5: Solve for x
    x = 8,994,391,727.92/142,045.96
  6. Step 6: Final answer
    x = 63,320.29

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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.