Home / 173,447.11-239,430.79-105,485.91

Finding the Fourth Proportional to 173,447.11, 239,430.79 and 105,485.91

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Solution

The fourth proportional to 173,447.11, 239,430.79 and 105,485.91 is: 145,615.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,447.11 : 239,430.79 = 105,485.91 : x
  2. Step 2: Convert to fraction form
    173,447.11/239,430.79 = 105,485.91/x
  3. Step 3: Cross multiply
    173,447.11x = 239,430.79 × 105,485.91
  4. Step 4: Simplify right side
    173,447.11x = 25,256,574,765.17
  5. Step 5: Solve for x
    x = 25,256,574,765.17/173,447.11
  6. Step 6: Final answer
    x = 145,615.43

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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.