Home / 109,044.60-163,445.40-42,462.60

Finding the Fourth Proportional to 109,044.60, 163,445.40 and 42,462.60

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Solution

The fourth proportional to 109,044.60, 163,445.40 and 42,462.60 is: 63,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,044.60 : 163,445.40 = 42,462.60 : x
  2. Step 2: Convert to fraction form
    109,044.60/163,445.40 = 42,462.60/x
  3. Step 3: Cross multiply
    109,044.60x = 163,445.40 × 42,462.60
  4. Step 4: Simplify right side
    109,044.60x = 6,940,316,642.04
  5. Step 5: Solve for x
    x = 6,940,316,642.04/109,044.60
  6. Step 6: Final answer
    x = 63,646.59

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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.