Home / 115,256.60-159,053.42-64,269.93

Finding the Fourth Proportional to 115,256.60, 159,053.42 and 64,269.93

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Solution

The fourth proportional to 115,256.60, 159,053.42 and 64,269.93 is: 88,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.60 : 159,053.42 = 64,269.93 : x
  2. Step 2: Convert to fraction form
    115,256.60/159,053.42 = 64,269.93/x
  3. Step 3: Cross multiply
    115,256.60x = 159,053.42 × 64,269.93
  4. Step 4: Simplify right side
    115,256.60x = 10,222,352,479.45
  5. Step 5: Solve for x
    x = 10,222,352,479.45/115,256.60
  6. Step 6: Final answer
    x = 88,692.13

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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.