Home / 113,407.03-156,499.41-70,988.95

Finding the Fourth Proportional to 113,407.03, 156,499.41 and 70,988.95

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Solution

The fourth proportional to 113,407.03, 156,499.41 and 70,988.95 is: 97,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,407.03 : 156,499.41 = 70,988.95 : x
  2. Step 2: Convert to fraction form
    113,407.03/156,499.41 = 70,988.95/x
  3. Step 3: Cross multiply
    113,407.03x = 156,499.41 × 70,988.95
  4. Step 4: Simplify right side
    113,407.03x = 11,109,728,400.27
  5. Step 5: Solve for x
    x = 11,109,728,400.27/113,407.03
  6. Step 6: Final answer
    x = 97,963.32

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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.