Home / 104,266.93-156,026.63-90,275.20

Finding the Fourth Proportional to 104,266.93, 156,026.63 and 90,275.20

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Solution

The fourth proportional to 104,266.93, 156,026.63 and 90,275.20 is: 135,089.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,266.93 : 156,026.63 = 90,275.20 : x
  2. Step 2: Convert to fraction form
    104,266.93/156,026.63 = 90,275.20/x
  3. Step 3: Cross multiply
    104,266.93x = 156,026.63 × 90,275.20
  4. Step 4: Simplify right side
    104,266.93x = 14,085,335,228.58
  5. Step 5: Solve for x
    x = 14,085,335,228.58/104,266.93
  6. Step 6: Final answer
    x = 135,089.19

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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.