Home / 145,729.10-202,023.26-137,746.56

Finding the Fourth Proportional to 145,729.10, 202,023.26 and 137,746.56

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Solution

The fourth proportional to 145,729.10, 202,023.26 and 137,746.56 is: 190,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,729.10 : 202,023.26 = 137,746.56 : x
  2. Step 2: Convert to fraction form
    145,729.10/202,023.26 = 137,746.56/x
  3. Step 3: Cross multiply
    145,729.10x = 202,023.26 × 137,746.56
  4. Step 4: Simplify right side
    145,729.10x = 27,828,009,104.99
  5. Step 5: Solve for x
    x = 27,828,009,104.99/145,729.10
  6. Step 6: Final answer
    x = 190,957.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.