Home / 112,341.33-155,029.75-64,594.87

Finding the Fourth Proportional to 112,341.33, 155,029.75 and 64,594.87

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Solution

The fourth proportional to 112,341.33, 155,029.75 and 64,594.87 is: 89,140.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,341.33 : 155,029.75 = 64,594.87 : x
  2. Step 2: Convert to fraction form
    112,341.33/155,029.75 = 64,594.87/x
  3. Step 3: Cross multiply
    112,341.33x = 155,029.75 × 64,594.87
  4. Step 4: Simplify right side
    112,341.33x = 10,014,125,998.32
  5. Step 5: Solve for x
    x = 10,014,125,998.32/112,341.33
  6. Step 6: Final answer
    x = 89,140.18

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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.