Home / 147,312.07-220,981.77-47,448.79

Finding the Fourth Proportional to 147,312.07, 220,981.77 and 47,448.79

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Solution

The fourth proportional to 147,312.07, 220,981.77 and 47,448.79 is: 71,177.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,312.07 : 220,981.77 = 47,448.79 : x
  2. Step 2: Convert to fraction form
    147,312.07/220,981.77 = 47,448.79/x
  3. Step 3: Cross multiply
    147,312.07x = 220,981.77 × 47,448.79
  4. Step 4: Simplify right side
    147,312.07x = 10,485,317,046.10
  5. Step 5: Solve for x
    x = 10,485,317,046.10/147,312.07
  6. Step 6: Final answer
    x = 71,177.58

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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.