Home / 145,988.06-219,008.21-100,587.15

Finding the Fourth Proportional to 145,988.06, 219,008.21 and 100,587.15

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Solution

The fourth proportional to 145,988.06, 219,008.21 and 100,587.15 is: 150,898.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,988.06 : 219,008.21 = 100,587.15 : x
  2. Step 2: Convert to fraction form
    145,988.06/219,008.21 = 100,587.15/x
  3. Step 3: Cross multiply
    145,988.06x = 219,008.21 × 100,587.15
  4. Step 4: Simplify right side
    145,988.06x = 22,029,411,167.57
  5. Step 5: Solve for x
    x = 22,029,411,167.57/145,988.06
  6. Step 6: Final answer
    x = 150,898.72

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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.