Home / 142,259.04-213,420.96-48,759.12

Finding the Fourth Proportional to 142,259.04, 213,420.96 and 48,759.12

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Solution

The fourth proportional to 142,259.04, 213,420.96 and 48,759.12 is: 73,149.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,259.04 : 213,420.96 = 48,759.12 : x
  2. Step 2: Convert to fraction form
    142,259.04/213,420.96 = 48,759.12/x
  3. Step 3: Cross multiply
    142,259.04x = 213,420.96 × 48,759.12
  4. Step 4: Simplify right side
    142,259.04x = 10,406,218,199.16
  5. Step 5: Solve for x
    x = 10,406,218,199.16/142,259.04
  6. Step 6: Final answer
    x = 73,149.79

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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.