Home / 153,153.36-229,730.04-47,980.52

Finding the Fourth Proportional to 153,153.36, 229,730.04 and 47,980.52

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Solution

The fourth proportional to 153,153.36, 229,730.04 and 47,980.52 is: 71,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,153.36 : 229,730.04 = 47,980.52 : x
  2. Step 2: Convert to fraction form
    153,153.36/229,730.04 = 47,980.52/x
  3. Step 3: Cross multiply
    153,153.36x = 229,730.04 × 47,980.52
  4. Step 4: Simplify right side
    153,153.36x = 11,022,566,778.82
  5. Step 5: Solve for x
    x = 11,022,566,778.82/153,153.36
  6. Step 6: Final answer
    x = 71,970.78

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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.