Home / 118,557.19-163,612.13-64,845.37

Finding the Fourth Proportional to 118,557.19, 163,612.13 and 64,845.37

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Solution

The fourth proportional to 118,557.19, 163,612.13 and 64,845.37 is: 89,488.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,557.19 : 163,612.13 = 64,845.37 : x
  2. Step 2: Convert to fraction form
    118,557.19/163,612.13 = 64,845.37/x
  3. Step 3: Cross multiply
    118,557.19x = 163,612.13 × 64,845.37
  4. Step 4: Simplify right side
    118,557.19x = 10,609,489,106.34
  5. Step 5: Solve for x
    x = 10,609,489,106.34/118,557.19
  6. Step 6: Final answer
    x = 89,488.37

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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.