Home / 113,208.20-169,812.30-103,531.40

Finding the Fourth Proportional to 113,208.20, 169,812.30 and 103,531.40

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Solution

The fourth proportional to 113,208.20, 169,812.30 and 103,531.40 is: 155,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,208.20 : 169,812.30 = 103,531.40 : x
  2. Step 2: Convert to fraction form
    113,208.20/169,812.30 = 103,531.40/x
  3. Step 3: Cross multiply
    113,208.20x = 169,812.30 × 103,531.40
  4. Step 4: Simplify right side
    113,208.20x = 17,580,905,156.22
  5. Step 5: Solve for x
    x = 17,580,905,156.22/113,208.20
  6. Step 6: Final answer
    x = 155,297.10

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1.5x scale

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.