Home / 109,289.50-163,824.81-42,637.93

Finding the Fourth Proportional to 109,289.50, 163,824.81 and 42,637.93

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Solution

The fourth proportional to 109,289.50, 163,824.81 and 42,637.93 is: 63,914.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,289.50 : 163,824.81 = 42,637.93 : x
  2. Step 2: Convert to fraction form
    109,289.50/163,824.81 = 42,637.93/x
  3. Step 3: Cross multiply
    109,289.50x = 163,824.81 × 42,637.93
  4. Step 4: Simplify right side
    109,289.50x = 6,985,150,781.04
  5. Step 5: Solve for x
    x = 6,985,150,781.04/109,289.50
  6. Step 6: Final answer
    x = 63,914.20

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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.