Home / 78,953.13-118,404.59-22,778.01

Finding the Fourth Proportional to 78,953.13, 118,404.59 and 22,778.01

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Solution

The fourth proportional to 78,953.13, 118,404.59 and 22,778.01 is: 34,159.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,953.13 : 118,404.59 = 22,778.01 : x
  2. Step 2: Convert to fraction form
    78,953.13/118,404.59 = 22,778.01/x
  3. Step 3: Cross multiply
    78,953.13x = 118,404.59 × 22,778.01
  4. Step 4: Simplify right side
    78,953.13x = 2,697,020,821.18
  5. Step 5: Solve for x
    x = 2,697,020,821.18/78,953.13
  6. Step 6: Final answer
    x = 34,159.77

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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.