Home / 77,966.04-116,948.80-18,801.71

Finding the Fourth Proportional to 77,966.04, 116,948.80 and 18,801.71

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Solution

The fourth proportional to 77,966.04, 116,948.80 and 18,801.71 is: 28,202.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,966.04 : 116,948.80 = 18,801.71 : x
  2. Step 2: Convert to fraction form
    77,966.04/116,948.80 = 18,801.71/x
  3. Step 3: Cross multiply
    77,966.04x = 116,948.80 × 18,801.71
  4. Step 4: Simplify right side
    77,966.04x = 2,198,837,108.86
  5. Step 5: Solve for x
    x = 2,198,837,108.86/77,966.04
  6. Step 6: Final answer
    x = 28,202.50

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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.