Home / 138,444.47-191,053.44-74,782.27

Finding the Fourth Proportional to 138,444.47, 191,053.44 and 74,782.27

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Solution

The fourth proportional to 138,444.47, 191,053.44 and 74,782.27 is: 103,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,444.47 : 191,053.44 = 74,782.27 : x
  2. Step 2: Convert to fraction form
    138,444.47/191,053.44 = 74,782.27/x
  3. Step 3: Cross multiply
    138,444.47x = 191,053.44 × 74,782.27
  4. Step 4: Simplify right side
    138,444.47x = 14,287,409,308.98
  5. Step 5: Solve for x
    x = 14,287,409,308.98/138,444.47
  6. Step 6: Final answer
    x = 103,199.57

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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.