Home / 104,627.18-144,387.16-56,880.72

Finding the Fourth Proportional to 104,627.18, 144,387.16 and 56,880.72

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Solution

The fourth proportional to 104,627.18, 144,387.16 and 56,880.72 is: 78,496.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,627.18 : 144,387.16 = 56,880.72 : x
  2. Step 2: Convert to fraction form
    104,627.18/144,387.16 = 56,880.72/x
  3. Step 3: Cross multiply
    104,627.18x = 144,387.16 × 56,880.72
  4. Step 4: Simplify right side
    104,627.18x = 8,212,845,477.35
  5. Step 5: Solve for x
    x = 8,212,845,477.35/104,627.18
  6. Step 6: Final answer
    x = 78,496.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.