Home / 113,254.20-169,881.30-75,929.40

Finding the Fourth Proportional to 113,254.20, 169,881.30 and 75,929.40

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Solution

The fourth proportional to 113,254.20, 169,881.30 and 75,929.40 is: 113,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,254.20 : 169,881.30 = 75,929.40 : x
  2. Step 2: Convert to fraction form
    113,254.20/169,881.30 = 75,929.40/x
  3. Step 3: Cross multiply
    113,254.20x = 169,881.30 × 75,929.40
  4. Step 4: Simplify right side
    113,254.20x = 12,898,985,180.22
  5. Step 5: Solve for x
    x = 12,898,985,180.22/113,254.20
  6. Step 6: Final answer
    x = 113,894.10

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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.