Home / 138,925.19-191,717.48-75,263.04

Finding the Fourth Proportional to 138,925.19, 191,717.48 and 75,263.04

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Solution

The fourth proportional to 138,925.19, 191,717.48 and 75,263.04 is: 103,863.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,925.19 : 191,717.48 = 75,263.04 : x
  2. Step 2: Convert to fraction form
    138,925.19/191,717.48 = 75,263.04/x
  3. Step 3: Cross multiply
    138,925.19x = 191,717.48 × 75,263.04
  4. Step 4: Simplify right side
    138,925.19x = 14,429,240,554.10
  5. Step 5: Solve for x
    x = 14,429,240,554.10/138,925.19
  6. Step 6: Final answer
    x = 103,863.38

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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.