Home / 109,143.36-163,802.49-56,567.88

Finding the Fourth Proportional to 109,143.36, 163,802.49 and 56,567.88

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Solution

The fourth proportional to 109,143.36, 163,802.49 and 56,567.88 is: 84,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,143.36 : 163,802.49 = 56,567.88 : x
  2. Step 2: Convert to fraction form
    109,143.36/163,802.49 = 56,567.88/x
  3. Step 3: Cross multiply
    109,143.36x = 163,802.49 × 56,567.88
  4. Step 4: Simplify right side
    109,143.36x = 9,265,959,598.02
  5. Step 5: Solve for x
    x = 9,265,959,598.02/109,143.36
  6. Step 6: Final answer
    x = 84,897.14

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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.