Home / 147,158.37-203,117.63-90,617.13

Finding the Fourth Proportional to 147,158.37, 203,117.63 and 90,617.13

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Solution

The fourth proportional to 147,158.37, 203,117.63 and 90,617.13 is: 125,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,158.37 : 203,117.63 = 90,617.13 : x
  2. Step 2: Convert to fraction form
    147,158.37/203,117.63 = 90,617.13/x
  3. Step 3: Cross multiply
    147,158.37x = 203,117.63 × 90,617.13
  4. Step 4: Simplify right side
    147,158.37x = 18,405,936,229.92
  5. Step 5: Solve for x
    x = 18,405,936,229.92/147,158.37
  6. Step 6: Final answer
    x = 125,075.70

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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.