Home / 142,776.59-214,134.80-42,907.23

Finding the Fourth Proportional to 142,776.59, 214,134.80 and 42,907.23

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Solution

The fourth proportional to 142,776.59, 214,134.80 and 42,907.23 is: 64,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,776.59 : 214,134.80 = 42,907.23 : x
  2. Step 2: Convert to fraction form
    142,776.59/214,134.80 = 42,907.23/x
  3. Step 3: Cross multiply
    142,776.59x = 214,134.80 × 42,907.23
  4. Step 4: Simplify right side
    142,776.59x = 9,187,930,900.07
  5. Step 5: Solve for x
    x = 9,187,930,900.07/142,776.59
  6. Step 6: Final answer
    x = 64,351.80

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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.