Home / 113,204.76-156,223.28-70,788.12

Finding the Fourth Proportional to 113,204.76, 156,223.28 and 70,788.12

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Solution

The fourth proportional to 113,204.76, 156,223.28 and 70,788.12 is: 97,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,204.76 : 156,223.28 = 70,788.12 : x
  2. Step 2: Convert to fraction form
    113,204.76/156,223.28 = 70,788.12/x
  3. Step 3: Cross multiply
    113,204.76x = 156,223.28 × 70,788.12
  4. Step 4: Simplify right side
    113,204.76x = 11,058,752,291.43
  5. Step 5: Solve for x
    x = 11,058,752,291.43/113,204.76
  6. Step 6: Final answer
    x = 97,688.05

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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.