Home / 142,089.63-213,169.77-42,249.68

Finding the Fourth Proportional to 142,089.63, 213,169.77 and 42,249.68

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Solution

The fourth proportional to 142,089.63, 213,169.77 and 42,249.68 is: 63,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,089.63 : 213,169.77 = 42,249.68 : x
  2. Step 2: Convert to fraction form
    142,089.63/213,169.77 = 42,249.68/x
  3. Step 3: Cross multiply
    142,089.63x = 213,169.77 × 42,249.68
  4. Step 4: Simplify right side
    142,089.63x = 9,006,353,502.32
  5. Step 5: Solve for x
    x = 9,006,353,502.32/142,089.63
  6. Step 6: Final answer
    x = 63,385.02

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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.