Home / 118,669.35-163,762.30-64,220.26

Finding the Fourth Proportional to 118,669.35, 163,762.30 and 64,220.26

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Solution

The fourth proportional to 118,669.35, 163,762.30 and 64,220.26 is: 88,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,669.35 : 163,762.30 = 64,220.26 : x
  2. Step 2: Convert to fraction form
    118,669.35/163,762.30 = 64,220.26/x
  3. Step 3: Cross multiply
    118,669.35x = 163,762.30 × 64,220.26
  4. Step 4: Simplify right side
    118,669.35x = 10,516,857,484.20
  5. Step 5: Solve for x
    x = 10,516,857,484.20/118,669.35
  6. Step 6: Final answer
    x = 88,623.20

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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.