Home / 144,690.03-217,033.02-87,777.50

Finding the Fourth Proportional to 144,690.03, 217,033.02 and 87,777.50

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Solution

The fourth proportional to 144,690.03, 217,033.02 and 87,777.50 is: 131,665.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,690.03 : 217,033.02 = 87,777.50 : x
  2. Step 2: Convert to fraction form
    144,690.03/217,033.02 = 87,777.50/x
  3. Step 3: Cross multiply
    144,690.03x = 217,033.02 × 87,777.50
  4. Step 4: Simplify right side
    144,690.03x = 19,050,614,827.88
  5. Step 5: Solve for x
    x = 19,050,614,827.88/144,690.03
  6. Step 6: Final answer
    x = 131,665.01

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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.