Home / 163,317.15-245,017.44-79,117.65

Finding the Fourth Proportional to 163,317.15, 245,017.44 and 79,117.65

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Solution

The fourth proportional to 163,317.15, 245,017.44 and 79,117.65 is: 118,696.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,317.15 : 245,017.44 = 79,117.65 : x
  2. Step 2: Convert to fraction form
    163,317.15/245,017.44 = 79,117.65/x
  3. Step 3: Cross multiply
    163,317.15x = 245,017.44 × 79,117.65
  4. Step 4: Simplify right side
    163,317.15x = 19,385,204,061.82
  5. Step 5: Solve for x
    x = 19,385,204,061.82/163,317.15
  6. Step 6: Final answer
    x = 118,696.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.