Home / 109,344.72-163,913.40-53,875.92

Finding the Fourth Proportional to 109,344.72, 163,913.40 and 53,875.92

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Solution

The fourth proportional to 109,344.72, 163,913.40 and 53,875.92 is: 80,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,344.72 : 163,913.40 = 53,875.92 : x
  2. Step 2: Convert to fraction form
    109,344.72/163,913.40 = 53,875.92/x
  3. Step 3: Cross multiply
    109,344.72x = 163,913.40 × 53,875.92
  4. Step 4: Simplify right side
    109,344.72x = 8,830,985,225.33
  5. Step 5: Solve for x
    x = 8,830,985,225.33/109,344.72
  6. Step 6: Final answer
    x = 80,762.80

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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.