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Finding the Fourth Proportional to 144,506.04, 216,226.89 and 87,376.20

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Solution

The fourth proportional to 144,506.04, 216,226.89 and 87,376.20 is: 130,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,506.04 : 216,226.89 = 87,376.20 : x
  2. Step 2: Convert to fraction form
    144,506.04/216,226.89 = 87,376.20/x
  3. Step 3: Cross multiply
    144,506.04x = 216,226.89 × 87,376.20
  4. Step 4: Simplify right side
    144,506.04x = 18,893,083,986.02
  5. Step 5: Solve for x
    x = 18,893,083,986.02/144,506.04
  6. Step 6: Final answer
    x = 130,742.52

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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.