Home / 115,472.86-159,364.20-70,155.39

Finding the Fourth Proportional to 115,472.86, 159,364.20 and 70,155.39

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Solution

The fourth proportional to 115,472.86, 159,364.20 and 70,155.39 is: 96,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,472.86 : 159,364.20 = 70,155.39 : x
  2. Step 2: Convert to fraction form
    115,472.86/159,364.20 = 70,155.39/x
  3. Step 3: Cross multiply
    115,472.86x = 159,364.20 × 70,155.39
  4. Step 4: Simplify right side
    115,472.86x = 11,180,257,603.04
  5. Step 5: Solve for x
    x = 11,180,257,603.04/115,472.86
  6. Step 6: Final answer
    x = 96,821.52

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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.