Home / 191,827.80-288,044.10-113,002.20

Finding the Fourth Proportional to 191,827.80, 288,044.10 and 113,002.20

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Solution

The fourth proportional to 191,827.80, 288,044.10 and 113,002.20 is: 169,681.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,827.80 : 288,044.10 = 113,002.20 : x
  2. Step 2: Convert to fraction form
    191,827.80/288,044.10 = 113,002.20/x
  3. Step 3: Cross multiply
    191,827.80x = 288,044.10 × 113,002.20
  4. Step 4: Simplify right side
    191,827.80x = 32,549,616,997.02
  5. Step 5: Solve for x
    x = 32,549,616,997.02/191,827.80
  6. Step 6: Final answer
    x = 169,681.44

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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.