Home / 147,393.36-203,345.10-90,706.32

Finding the Fourth Proportional to 147,393.36, 203,345.10 and 90,706.32

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Solution

The fourth proportional to 147,393.36, 203,345.10 and 90,706.32 is: 125,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.36 : 203,345.10 = 90,706.32 : x
  2. Step 2: Convert to fraction form
    147,393.36/203,345.10 = 90,706.32/x
  3. Step 3: Cross multiply
    147,393.36x = 203,345.10 × 90,706.32
  4. Step 4: Simplify right side
    147,393.36x = 18,444,685,711.03
  5. Step 5: Solve for x
    x = 18,444,685,711.03/147,393.36
  6. Step 6: Final answer
    x = 125,139.19

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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.