Home / 187,485.86-258,784.80-106,957.28

Finding the Fourth Proportional to 187,485.86, 258,784.80 and 106,957.28

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Solution

The fourth proportional to 187,485.86, 258,784.80 and 106,957.28 is: 147,632.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,485.86 : 258,784.80 = 106,957.28 : x
  2. Step 2: Convert to fraction form
    187,485.86/258,784.80 = 106,957.28/x
  3. Step 3: Cross multiply
    187,485.86x = 258,784.80 × 106,957.28
  4. Step 4: Simplify right side
    187,485.86x = 27,678,918,313.34
  5. Step 5: Solve for x
    x = 27,678,918,313.34/187,485.86
  6. Step 6: Final answer
    x = 147,632.03

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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.