Home / 111,272.31-153,555.79-60,970.23

Finding the Fourth Proportional to 111,272.31, 153,555.79 and 60,970.23

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Solution

The fourth proportional to 111,272.31, 153,555.79 and 60,970.23 is: 84,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,272.31 : 153,555.79 = 60,970.23 : x
  2. Step 2: Convert to fraction form
    111,272.31/153,555.79 = 60,970.23/x
  3. Step 3: Cross multiply
    111,272.31x = 153,555.79 × 60,970.23
  4. Step 4: Simplify right side
    111,272.31x = 9,362,332,370.45
  5. Step 5: Solve for x
    x = 9,362,332,370.45/111,272.31
  6. Step 6: Final answer
    x = 84,138.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.