Home / 169,721.60-254,582.40-51,411.20

Finding the Fourth Proportional to 169,721.60, 254,582.40 and 51,411.20

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Solution

The fourth proportional to 169,721.60, 254,582.40 and 51,411.20 is: 77,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,721.60 : 254,582.40 = 51,411.20 : x
  2. Step 2: Convert to fraction form
    169,721.60/254,582.40 = 51,411.20/x
  3. Step 3: Cross multiply
    169,721.60x = 254,582.40 × 51,411.20
  4. Step 4: Simplify right side
    169,721.60x = 13,088,386,682.88
  5. Step 5: Solve for x
    x = 13,088,386,682.88/169,721.60
  6. Step 6: Final answer
    x = 77,116.80

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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.